17997959

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1033}}^1$

素因数の和:1190

約数の個数: 16

約数和(自身を含む): 21838080

約数和(自身を除く): 3840121

約数列:

[1, 7, 19, 131, 133, 917, 1033, 2489, 7231, 17423, 19627, 135323, 137389, 947261, 2571137, 17997959]

約数ペア:

[(1, 17997959), (7, 2571137), (19, 947261), (131, 137389), (133, 135323), (917, 19627), (1033, 17423), (2489, 7231)]