18490615

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2351}}^1$

素因数の和:2391

約数の個数: 24

約数和(自身を含む): 26276544

約数和(自身を除く): 7785929

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 2351, 7865, 11755, 25861, 30563, 129305, 152815, 284471, 336193, 1422355, 1680965, 3698123, 18490615]

約数ペア:

[(1, 18490615), (5, 3698123), (11, 1680965), (13, 1422355), (55, 336193), (65, 284471), (121, 152815), (143, 129305), (605, 30563), (715, 25861), (1573, 11755), (2351, 7865)]