2019169893

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{80021}}^1$

素因数の和:80684

約数の個数: 16

約数和(自身を含む): 2903838336

約数和(自身を除く): 884668443

約数列:

[1, 3, 13, 39, 647, 1941, 8411, 25233, 80021, 240063, 1040273, 3120819, 51773587, 155320761, 673056631, 2019169893]

約数ペア:

[(1, 2019169893), (3, 673056631), (13, 155320761), (39, 51773587), (647, 3120819), (1941, 1040273), (8411, 240063), (25233, 80021)]