18680450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{21977}}^1$

素因数の和:22006

約数の個数: 24

約数和(自身を含む): 36791172

約数和(自身を除く): 18110722

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 21977, 43954, 109885, 219770, 373609, 549425, 747218, 1098850, 1868045, 3736090, 9340225, 18680450]

約数ペア:

[(1, 18680450), (2, 9340225), (5, 3736090), (10, 1868045), (17, 1098850), (25, 747218), (34, 549425), (50, 373609), (85, 219770), (170, 109885), (425, 43954), (850, 21977)]