18936621

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17389}}^1$

素因数の和:17417

約数の個数: 18

約数和(自身を含む): 30067310

約数和(自身を除く): 11130689

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 17389, 52167, 156501, 191279, 573837, 1721511, 2104069, 6312207, 18936621]

約数ペア:

[(1, 18936621), (3, 6312207), (9, 2104069), (11, 1721511), (33, 573837), (99, 191279), (121, 156501), (363, 52167), (1089, 17389)]