12871018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7877}}^1$

素因数の和:7941

約数の個数: 16

約数和(自身を含む): 20797920

約数和(自身を除く): 7926902

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 7877, 15754, 149663, 299326, 338711, 677422, 6435509, 12871018]

約数ペア:

[(1, 12871018), (2, 6435509), (19, 677422), (38, 338711), (43, 299326), (86, 149663), (817, 15754), (1634, 7877)]