18731037

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15493}}^1$

素因数の和:15540

約数の個数: 16

約数和(自身を含む): 27765248

約数和(自身を除く): 9034211

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 15493, 46479, 201409, 480283, 604227, 1440849, 6243679, 18731037]

約数ペア:

[(1, 18731037), (3, 6243679), (13, 1440849), (31, 604227), (39, 480283), (93, 201409), (403, 46479), (1209, 15493)]