18411640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35407}}^1$

素因数の和:35431

約数の個数: 32

約数和(自身を含む): 44614080

約数和(自身を除く): 26202440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35407, 70814, 141628, 177035, 283256, 354070, 460291, 708140, 920582, 1416280, 1841164, 2301455, 3682328, 4602910, 9205820, 18411640]

約数ペア:

[(1, 18411640), (2, 9205820), (4, 4602910), (5, 3682328), (8, 2301455), (10, 1841164), (13, 1416280), (20, 920582), (26, 708140), (40, 460291), (52, 354070), (65, 283256), (104, 177035), (130, 141628), (260, 70814), (520, 35407)]