12777956

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{8849}}^1$

素因数の和:8891

約数の個数: 18

約数和(自身を含む): 23602950

約数和(自身を除く): 10824994

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 8849, 17698, 35396, 168131, 336262, 672524, 3194489, 6388978, 12777956]

約数ペア:

[(1, 12777956), (2, 6388978), (4, 3194489), (19, 672524), (38, 336262), (76, 168131), (361, 35396), (722, 17698), (1444, 8849)]