12811997882

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{2068453}}^1$

素因数の和:2068637

約数の個数: 16

約数和(自身を含む): 20353587360

約数和(自身を除く): 7541589478

約数列:

[1, 2, 19, 38, 163, 326, 3097, 6194, 2068453, 4136906, 39300607, 78601214, 337157839, 674315678, 6405998941, 12811997882]

約数ペア:

[(1, 12811997882), (2, 6405998941), (19, 674315678), (38, 337157839), (163, 78601214), (326, 39300607), (3097, 4136906), (6194, 2068453)]