18276620

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8087}}^1$

素因数の和:8209

約数の個数: 24

約数和(自身を含む): 38725344

約数和(自身を除く): 20448724

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8087, 16174, 32348, 40435, 80870, 161740, 913831, 1827662, 3655324, 4569155, 9138310, 18276620]

約数ペア:

[(1, 18276620), (2, 9138310), (4, 4569155), (5, 3655324), (10, 1827662), (20, 913831), (113, 161740), (226, 80870), (452, 40435), (565, 32348), (1130, 16174), (2260, 8087)]