18668355

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2113}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 32471040

約数和(自身を除く): 13802685

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2113, 2945, 6339, 8835, 10565, 31695, 40147, 65503, 120441, 196509, 200735, 327515, 602205, 982545, 1244557, 3733671, 6222785, 18668355]

約数ペア:

[(1, 18668355), (3, 6222785), (5, 3733671), (15, 1244557), (19, 982545), (31, 602205), (57, 327515), (93, 200735), (95, 196509), (155, 120441), (285, 65503), (465, 40147), (589, 31695), (1767, 10565), (2113, 8835), (2945, 6339)]