18788730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8821}}^1$

素因数の和:8902

約数の個数: 32

約数和(自身を含む): 45733248

約数和(自身を除く): 26944518

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 8821, 17642, 26463, 44105, 52926, 88210, 132315, 264630, 626291, 1252582, 1878873, 3131455, 3757746, 6262910, 9394365, 18788730]

約数ペア:

[(1, 18788730), (2, 9394365), (3, 6262910), (5, 3757746), (6, 3131455), (10, 1878873), (15, 1252582), (30, 626291), (71, 264630), (142, 132315), (213, 88210), (355, 52926), (426, 44105), (710, 26463), (1065, 17642), (2130, 8821)]