18837181

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1493}}^1$

素因数の和:1572

約数の個数: 16

約数和(自身を含む): 21800448

約数和(自身を除く): 2963267

約数列:

[1, 11, 31, 37, 341, 407, 1147, 1493, 12617, 16423, 46283, 55241, 509113, 607651, 1712471, 18837181]

約数ペア:

[(1, 18837181), (11, 1712471), (31, 607651), (37, 509113), (341, 55241), (407, 46283), (1147, 16423), (1493, 12617)]