18529640

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3109}}^1$

素因数の和:3269

約数の個数: 32

約数和(自身を含む): 41985000

約数和(自身を除く): 23455360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 3109, 5960, 6218, 12436, 15545, 24872, 31090, 62180, 124360, 463241, 926482, 1852964, 2316205, 3705928, 4632410, 9264820, 18529640]

約数ペア:

[(1, 18529640), (2, 9264820), (4, 4632410), (5, 3705928), (8, 2316205), (10, 1852964), (20, 926482), (40, 463241), (149, 124360), (298, 62180), (596, 31090), (745, 24872), (1192, 15545), (1490, 12436), (2980, 6218), (3109, 5960)]