18628389

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1409}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 29254680

約数和(自身を除く): 10626291

約数列:

[1, 3, 9, 13, 39, 113, 117, 339, 1017, 1409, 1469, 4227, 4407, 12681, 13221, 18317, 54951, 159217, 164853, 477651, 1432953, 2069821, 6209463, 18628389]

約数ペア:

[(1, 18628389), (3, 6209463), (9, 2069821), (13, 1432953), (39, 477651), (113, 164853), (117, 159217), (339, 54951), (1017, 18317), (1409, 13221), (1469, 12681), (4227, 4407)]