18768220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{32359}}^1$

素因数の和:32397

約数の個数: 24

約数和(自身を含む): 40773600

約数和(自身を除く): 22005380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 32359, 64718, 129436, 161795, 323590, 647180, 938411, 1876822, 3753644, 4692055, 9384110, 18768220]

約数ペア:

[(1, 18768220), (2, 9384110), (4, 4692055), (5, 3753644), (10, 1876822), (20, 938411), (29, 647180), (58, 323590), (116, 161795), (145, 129436), (290, 64718), (580, 32359)]