8161492180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21477611}}^1$

素因数の和:21477639

約数の個数: 24

約数和(自身を含む): 18041194080

約数和(自身を除く): 9879701900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21477611, 42955222, 85910444, 107388055, 214776110, 408074609, 429552220, 816149218, 1632298436, 2040373045, 4080746090, 8161492180]

約数ペア:

[(1, 8161492180), (2, 4080746090), (4, 2040373045), (5, 1632298436), (10, 816149218), (19, 429552220), (20, 408074609), (38, 214776110), (76, 107388055), (95, 85910444), (190, 42955222), (380, 21477611)]