18496881

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12161}}^1$

素因数の和:12193

約数の個数: 18

約数和(自身を含む): 28933398

約数和(自身を除く): 10436517

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12161, 36483, 109449, 158093, 474279, 1422837, 2055209, 6165627, 18496881]

約数ペア:

[(1, 18496881), (3, 6165627), (9, 2055209), (13, 1422837), (39, 474279), (117, 158093), (169, 109449), (507, 36483), (1521, 12161)]