18771907

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1861}}^1$

素因数の和:2010

約数の個数: 16

約数和(自身を含む): 23595264

約数和(自身を除く): 4823357

約数列:

[1, 7, 11, 77, 131, 917, 1441, 1861, 10087, 13027, 20471, 143297, 243791, 1706537, 2681701, 18771907]

約数ペア:

[(1, 18771907), (7, 2681701), (11, 1706537), (77, 243791), (131, 143297), (917, 20471), (1441, 13027), (1861, 10087)]