18451120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13567}}^1$

素因数の和:13597

約数の個数: 40

約数和(自身を含む): 45425664

約数和(自身を除く): 26974544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13567, 27134, 54268, 67835, 108536, 135670, 217072, 230639, 271340, 461278, 542680, 922556, 1085360, 1153195, 1845112, 2306390, 3690224, 4612780, 9225560, 18451120]

約数ペア:

[(1, 18451120), (2, 9225560), (4, 4612780), (5, 3690224), (8, 2306390), (10, 1845112), (16, 1153195), (17, 1085360), (20, 922556), (34, 542680), (40, 461278), (68, 271340), (80, 230639), (85, 217072), (136, 135670), (170, 108536), (272, 67835), (340, 54268), (680, 27134), (1360, 13567)]