18582940

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2207}}^1$

素因数の和:2637

約数の個数: 24

約数和(自身を含む): 39134592

約数和(自身を除く): 20551652

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 2207, 4210, 4414, 8420, 8828, 11035, 22070, 44140, 929147, 1858294, 3716588, 4645735, 9291470, 18582940]

約数ペア:

[(1, 18582940), (2, 9291470), (4, 4645735), (5, 3716588), (10, 1858294), (20, 929147), (421, 44140), (842, 22070), (1684, 11035), (2105, 8828), (2207, 8420), (4210, 4414)]