18329980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6151}}^1$

素因数の和:6309

約数の個数: 24

約数和(自身を含む): 38757600

約数和(自身を除く): 20427620

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6151, 12302, 24604, 30755, 61510, 123020, 916499, 1832998, 3665996, 4582495, 9164990, 18329980]

約数ペア:

[(1, 18329980), (2, 9164990), (4, 4582495), (5, 3665996), (10, 1832998), (20, 916499), (149, 123020), (298, 61510), (596, 30755), (745, 24604), (1490, 12302), (2980, 6151)]