18527480

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4099}}^1$

素因数の和:4223

約数の個数: 32

約数和(自身を含む): 42066000

約数和(自身を除く): 23538520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4099, 4520, 8198, 16396, 20495, 32792, 40990, 81980, 163960, 463187, 926374, 1852748, 2315935, 3705496, 4631870, 9263740, 18527480]

約数ペア:

[(1, 18527480), (2, 9263740), (4, 4631870), (5, 3705496), (8, 2315935), (10, 1852748), (20, 926374), (40, 463187), (113, 163960), (226, 81980), (452, 40990), (565, 32792), (904, 20495), (1130, 16396), (2260, 8198), (4099, 4520)]