31019818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{2339}}^1$

素因数の和:2709

約数の個数: 16

約数和(自身を含む): 49140000

約数和(自身を除く): 18120182

約数列:

[1, 2, 19, 38, 349, 698, 2339, 4678, 6631, 13262, 44441, 88882, 816311, 1632622, 15509909, 31019818]

約数ペア:

[(1, 31019818), (2, 15509909), (19, 1632622), (38, 816311), (349, 88882), (698, 44441), (2339, 13262), (4678, 6631)]