18173720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15667}}^1$

素因数の和:15707

約数の個数: 32

約数和(自身を含む): 42303600

約数和(自身を除く): 24129880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 15667, 31334, 62668, 78335, 125336, 156670, 313340, 454343, 626680, 908686, 1817372, 2271715, 3634744, 4543430, 9086860, 18173720]

約数ペア:

[(1, 18173720), (2, 9086860), (4, 4543430), (5, 3634744), (8, 2271715), (10, 1817372), (20, 908686), (29, 626680), (40, 454343), (58, 313340), (116, 156670), (145, 125336), (232, 78335), (290, 62668), (580, 31334), (1160, 15667)]