19868029921

素因数分解:

${\mathrm{31}}^1\times {\mathrm{4013}}^1\times {\mathrm{159707}}^1$

素因数の和:163751

約数の個数: 8

約数和(自身を含む): 20514173184

約数和(自身を除く): 646143263

約数列:

[1, 31, 4013, 124403, 159707, 4950917, 640904191, 19868029921]

約数ペア:

[(1, 19868029921), (31, 640904191), (4013, 4950917), (124403, 159707)]