18077968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59467}}^1$

素因数の和:59494

約数の個数: 20

約数和(自身を含む): 36870160

約数和(自身を除く): 18792192

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 59467, 118934, 237868, 475736, 951472, 1129873, 2259746, 4519492, 9038984, 18077968]

約数ペア:

[(1, 18077968), (2, 9038984), (4, 4519492), (8, 2259746), (16, 1129873), (19, 951472), (38, 475736), (76, 237868), (152, 118934), (304, 59467)]