18156047

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1571}}^1$

素因数の和:1718

約数の個数: 16

約数和(自身を含む): 22536192

約数和(自身を除く): 4380145

約数列:

[1, 7, 13, 91, 127, 889, 1571, 1651, 10997, 11557, 20423, 142961, 199517, 1396619, 2593721, 18156047]

約数ペア:

[(1, 18156047), (7, 2593721), (13, 1396619), (91, 199517), (127, 142961), (889, 20423), (1571, 11557), (1651, 10997)]