18858680

素因数分解:

$2^3\times 5^1\times {\mathrm{471467}}^1$

素因数の和:471478

約数の個数: 16

約数和(自身を含む): 42432120

約数和(自身を除く): 23573440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 471467, 942934, 1885868, 2357335, 3771736, 4714670, 9429340, 18858680]

約数ペア:

[(1, 18858680), (2, 9429340), (4, 4714670), (5, 3771736), (8, 2357335), (10, 1885868), (20, 942934), (40, 471467)]