18666999

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1549}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 29338400

約数和(自身を除く): 10671401

約数列:

[1, 3, 9, 13, 39, 103, 117, 309, 927, 1339, 1549, 4017, 4647, 12051, 13941, 20137, 60411, 159547, 181233, 478641, 1435923, 2074111, 6222333, 18666999]

約数ペア:

[(1, 18666999), (3, 6222333), (9, 2074111), (13, 1435923), (39, 478641), (103, 181233), (117, 159547), (309, 60411), (927, 20137), (1339, 13941), (1549, 12051), (4017, 4647)]