Factors of 1918
The factors of 1918 are 1, 2, 7, 14, 137, 274, 959, 1918. It has 8 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 1918 is a whole number that divides it with nothing left over. You only need to test the numbers up to √1918 ≈ 43.79; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 8 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: 1 + 2 + 7 + 14 + 137 + 274 + 959 + 1918 = 3312. Without 1918 itself that is 1394, so 1918 is a deficient number.
LaTeX source of the formulas on this page
\[ 1918 = 2 \times 7 \times 137 \]
Factor pairs of 1918
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 1918 | 1 × 1918 = 1918 |
| 2 | 959 | 2 × 959 = 1918 |
| 7 | 274 | 7 × 274 = 1918 |
| 14 | 137 | 14 × 137 = 1918 |
Questions
What are the factors of 1918?
The factors of 1918 are 1, 2, 7, 14, 137, 274, 959, 1918. It has 8 factors.
What are the prime factors of 1918?
2, 7, 137. As a product: 2 × 7 × 137.
How many factors does 1918 have?
1918 has 8 factors (4 factor pairs).
What is the sum of the factors of 1918?
3312.
Is 1918 a prime number?
No. It is divisible by 2, so 1918 = 2 × 959.