18791668

素因数分解:

$2^2\times 7^1\times {\mathrm{671131}}^1$

素因数の和:671142

約数の個数: 12

約数和(自身を含む): 37583392

約数和(自身を除く): 18791724

約数列:

[1, 2, 4, 7, 14, 28, 671131, 1342262, 2684524, 4697917, 9395834, 18791668]

約数ペア:

[(1, 18791668), (2, 9395834), (4, 4697917), (7, 2684524), (14, 1342262), (28, 671131)]