18208468160

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{285937}}^1$

素因数の和:286153

約数の個数: 56

約数和(自身を含む): 43576951200

約数和(自身を除く): 25368483040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 796, 995, 1592, 1990, 3184, 3980, 6368, 7960, 12736, 15920, 31840, 63680, 285937, 571874, 1143748, 1429685, 2287496, 2859370, 4574992, 5718740, 9149984, 11437480, 18299968, 22874960, 45749920, 56901463, 91499840, 113802926, 227605852, 284507315, 455211704, 569014630, 910423408, 1138029260, 1820846816, 2276058520, 3641693632, 4552117040, 9104234080, 18208468160]

約数ペア:

[(1, 18208468160), (2, 9104234080), (4, 4552117040), (5, 3641693632), (8, 2276058520), (10, 1820846816), (16, 1138029260), (20, 910423408), (32, 569014630), (40, 455211704), (64, 284507315), (80, 227605852), (160, 113802926), (199, 91499840), (320, 56901463), (398, 45749920), (796, 22874960), (995, 18299968), (1592, 11437480), (1990, 9149984), (3184, 5718740), (3980, 4574992), (6368, 2859370), (7960, 2287496), (12736, 1429685), (15920, 1143748), (31840, 571874), (63680, 285937)]