19902139

素因数分解:

${\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{2243}}^1$

素因数の和:2729

約数の個数: 8

約数和(自身を含む): 21003840

約数和(自身を除く): 1101701

約数列:

[1, 19, 467, 2243, 8873, 42617, 1047481, 19902139]

約数ペア:

[(1, 19902139), (19, 1047481), (467, 42617), (2243, 8873)]