15861998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{10181}}^1$

素因数の和:10243

約数の個数: 16

約数和(自身を含む): 25658640

約数和(自身を除く): 9796642

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 10181, 20362, 193439, 386878, 417421, 834842, 7930999, 15861998]

約数ペア:

[(1, 15861998), (2, 7930999), (19, 834842), (38, 417421), (41, 386878), (82, 193439), (779, 20362), (1558, 10181)]