18162261

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{11941}}^1$

素因数の和:11973

約数の個数: 18

約数和(自身を含む): 28410018

約数和(自身を除く): 10247757

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 11941, 35823, 107469, 155233, 465699, 1397097, 2018029, 6054087, 18162261]

約数ペア:

[(1, 18162261), (3, 6054087), (9, 2018029), (13, 1397097), (39, 465699), (117, 155233), (169, 107469), (507, 35823), (1521, 11941)]