18796941

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{2129}}^1$

素因数の和:2250

約数の個数: 20

約数和(自身を含む): 28350300

約数和(自身を除く): 9553359

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2129, 2943, 6387, 8829, 19161, 57483, 172449, 232061, 696183, 2088549, 6265647, 18796941]

約数ペア:

[(1, 18796941), (3, 6265647), (9, 2088549), (27, 696183), (81, 232061), (109, 172449), (327, 57483), (981, 19161), (2129, 8829), (2943, 6387)]