18518553

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 27387360

約数和(自身を除く): 8868807

約数列:

[1, 3, 9, 113, 131, 139, 339, 393, 417, 1017, 1179, 1251, 14803, 15707, 18209, 44409, 47121, 54627, 133227, 141363, 163881, 2057617, 6172851, 18518553]

約数ペア:

[(1, 18518553), (3, 6172851), (9, 2057617), (113, 163881), (131, 141363), (139, 133227), (339, 54627), (393, 47121), (417, 44409), (1017, 18209), (1179, 15707), (1251, 14803)]