18354427

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1997}}^1$

素因数の和:2118

約数の個数: 16

約数和(自身を含む): 22825152

約数和(自身を除く): 4470725

約数列:

[1, 7, 13, 91, 101, 707, 1313, 1997, 9191, 13979, 25961, 181727, 201697, 1411879, 2622061, 18354427]

約数ペア:

[(1, 18354427), (7, 2622061), (13, 1411879), (91, 201697), (101, 181727), (707, 25961), (1313, 13979), (1997, 9191)]