18918417

素因数分解:

$3^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{1319}}^1$

素因数の和:2012

約数の個数: 16

約数和(自身を含む): 28892160

約数和(自身を除く): 9973743

約数列:

[1, 3, 7, 21, 683, 1319, 2049, 3957, 4781, 9233, 14343, 27699, 900877, 2702631, 6306139, 18918417]

約数ペア:

[(1, 18918417), (3, 6306139), (7, 2702631), (21, 900877), (683, 27699), (1319, 14343), (2049, 9233), (3957, 4781)]