18551110

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{80657}}^1$

素因数の和:80687

約数の個数: 16

約数和(自身を含む): 34844256

約数和(自身を除く): 16293146

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 80657, 161314, 403285, 806570, 1855111, 3710222, 9275555, 18551110]

約数ペア:

[(1, 18551110), (2, 9275555), (5, 3710222), (10, 1855111), (23, 806570), (46, 403285), (115, 161314), (230, 80657)]