19977760048

素因数分解:

$2^4\times {\mathrm{1248610003}}^1$

素因数の和:1248610011

約数の個数: 10

約数和(自身を含む): 38706910124

約数和(自身を除く): 18729150076

約数列:

[1, 2, 4, 8, 16, 1248610003, 2497220006, 4994440012, 9988880024, 19977760048]

約数ペア:

[(1, 19977760048), (2, 9988880024), (4, 4994440012), (8, 2497220006), (16, 1248610003)]