17801902

素因数分解:

$2^1\times {\mathrm{103}}^2\times {\mathrm{839}}^1$

素因数の和:1047

約数の個数: 12

約数和(自身を含む): 26996760

約数和(自身を除く): 9194858

約数列:

[1, 2, 103, 206, 839, 1678, 10609, 21218, 86417, 172834, 8900951, 17801902]

約数ペア:

[(1, 17801902), (2, 8900951), (103, 172834), (206, 86417), (839, 21218), (1678, 10609)]