18659511

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53161}}^1$

素因数の和:53183

約数の個数: 16

約数和(自身を含む): 29770720

約数和(自身を除く): 11111209

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 53161, 159483, 478449, 691093, 1435347, 2073279, 6219837, 18659511]

約数ペア:

[(1, 18659511), (3, 6219837), (9, 2073279), (13, 1435347), (27, 691093), (39, 478449), (117, 159483), (351, 53161)]