15965605

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4099}}^1$

素因数の和:4164

約数の個数: 16

約数和(自身を含む): 20664000

約数和(自身を除く): 4698395

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 4099, 20495, 77881, 168059, 389405, 840295, 3193121, 15965605]

約数ペア:

[(1, 15965605), (5, 3193121), (19, 840295), (41, 389405), (95, 168059), (205, 77881), (779, 20495), (3895, 4099)]