18338702960

素因数分解:

$2^4\times 5^1\times {\mathrm{5981}}^1\times {\mathrm{38327}}^1$

素因数の和:44321

約数の個数: 40

約数和(自身を含む): 42645725856

約数和(自身を除く): 24307022896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5981, 11962, 23924, 29905, 38327, 47848, 59810, 76654, 95696, 119620, 153308, 191635, 239240, 306616, 383270, 478480, 613232, 766540, 1533080, 3066160, 229233787, 458467574, 916935148, 1146168935, 1833870296, 2292337870, 3667740592, 4584675740, 9169351480, 18338702960]

約数ペア:

[(1, 18338702960), (2, 9169351480), (4, 4584675740), (5, 3667740592), (8, 2292337870), (10, 1833870296), (16, 1146168935), (20, 916935148), (40, 458467574), (80, 229233787), (5981, 3066160), (11962, 1533080), (23924, 766540), (29905, 613232), (38327, 478480), (47848, 383270), (59810, 306616), (76654, 239240), (95696, 191635), (119620, 153308)]