19922643

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{170279}}^1$

素因数の和:170298

約数の個数: 12

約数和(自身を含む): 30990960

約数和(自身を除く): 11068317

約数列:

[1, 3, 9, 13, 39, 117, 170279, 510837, 1532511, 2213627, 6640881, 19922643]

約数ペア:

[(1, 19922643), (3, 6640881), (9, 2213627), (13, 1532511), (39, 510837), (117, 170279)]