18211860575

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{739}}^1\times {\mathrm{42859}}^1$

素因数の和:43631

約数の個数: 24

約数和(自身を含む): 23597001600

約数和(自身を除く): 5385141025

約数列:

[1, 5, 23, 25, 115, 575, 739, 3695, 16997, 18475, 42859, 84985, 214295, 424925, 985757, 1071475, 4928785, 24643925, 31672801, 158364005, 728474423, 791820025, 3642372115, 18211860575]

約数ペア:

[(1, 18211860575), (5, 3642372115), (23, 791820025), (25, 728474423), (115, 158364005), (575, 31672801), (739, 24643925), (3695, 4928785), (16997, 1071475), (18475, 985757), (42859, 424925), (84985, 214295)]