18792453

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 25740416

約数和(自身を除く): 6947963

約数列:

[1, 3, 61, 103, 183, 309, 997, 2991, 6283, 18849, 60817, 102691, 182451, 308073, 6264151, 18792453]

約数ペア:

[(1, 18792453), (3, 6264151), (61, 308073), (103, 182451), (183, 102691), (309, 60817), (997, 18849), (2991, 6283)]