18210179

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 21558768

約数和(自身を除く): 3348589

約数列:

[1, 13, 17, 37, 131, 221, 289, 481, 629, 1703, 2227, 3757, 4847, 8177, 10693, 28951, 37859, 63011, 82399, 139009, 492167, 1071187, 1400783, 18210179]

約数ペア:

[(1, 18210179), (13, 1400783), (17, 1071187), (37, 492167), (131, 139009), (221, 82399), (289, 63011), (481, 37859), (629, 28951), (1703, 10693), (2227, 8177), (3757, 4847)]