18425450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 37062360

約数和(自身を除く): 18636910

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 53, 85, 106, 170, 265, 409, 425, 530, 818, 850, 901, 1325, 1802, 2045, 2650, 4090, 4505, 6953, 9010, 10225, 13906, 20450, 21677, 22525, 34765, 43354, 45050, 69530, 108385, 173825, 216770, 347650, 368509, 541925, 737018, 1083850, 1842545, 3685090, 9212725, 18425450]

約数ペア:

[(1, 18425450), (2, 9212725), (5, 3685090), (10, 1842545), (17, 1083850), (25, 737018), (34, 541925), (50, 368509), (53, 347650), (85, 216770), (106, 173825), (170, 108385), (265, 69530), (409, 45050), (425, 43354), (530, 34765), (818, 22525), (850, 21677), (901, 20450), (1325, 13906), (1802, 10225), (2045, 9010), (2650, 6953), (4090, 4505)]