19860605

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5099}}^1$

素因数の和:5164

約数の個数: 16

約数和(自身を含む): 25704000

約数和(自身を除く): 5843395

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 5099, 25495, 96881, 209059, 484405, 1045295, 3972121, 19860605]

約数ペア:

[(1, 19860605), (5, 3972121), (19, 1045295), (41, 484405), (95, 209059), (205, 96881), (779, 25495), (3895, 5099)]