19557161

素因数分解:

${\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 21638400

約数和(自身を除く): 2081239

約数列:

[1, 13, 79, 137, 139, 1027, 1781, 1807, 10823, 10981, 19043, 140699, 142753, 247559, 1504397, 19557161]

約数ペア:

[(1, 19557161), (13, 1504397), (79, 247559), (137, 142753), (139, 140699), (1027, 19043), (1781, 10981), (1807, 10823)]