18386080

素因数分解:

$2^5\times 5^1\times {\mathrm{114913}}^1$

素因数の和:114928

約数の個数: 24

約数和(自身を含む): 43437492

約数和(自身を除く): 25051412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 114913, 229826, 459652, 574565, 919304, 1149130, 1838608, 2298260, 3677216, 4596520, 9193040, 18386080]

約数ペア:

[(1, 18386080), (2, 9193040), (4, 4596520), (5, 3677216), (8, 2298260), (10, 1838608), (16, 1149130), (20, 919304), (32, 574565), (40, 459652), (80, 229826), (160, 114913)]