18007405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 24766560

約数和(自身を除く): 6759155

約数列:

[1, 5, 13, 29, 41, 65, 145, 205, 233, 377, 533, 1165, 1189, 1885, 2665, 3029, 5945, 6757, 9553, 15145, 15457, 33785, 47765, 77285, 87841, 124189, 277037, 439205, 620945, 1385185, 3601481, 18007405]

約数ペア:

[(1, 18007405), (5, 3601481), (13, 1385185), (29, 620945), (41, 439205), (65, 277037), (145, 124189), (205, 87841), (233, 77285), (377, 47765), (533, 33785), (1165, 15457), (1189, 15145), (1885, 9553), (2665, 6757), (3029, 5945)]