18801008

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{22171}}^1$

素因数の和:22232

約数の個数: 20

約数和(自身を含む): 37115928

約数和(自身を除く): 18314920

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 22171, 44342, 88684, 177368, 354736, 1175063, 2350126, 4700252, 9400504, 18801008]

約数ペア:

[(1, 18801008), (2, 9400504), (4, 4700252), (8, 2350126), (16, 1175063), (53, 354736), (106, 177368), (212, 88684), (424, 44342), (848, 22171)]