18915147961

素因数分解:

${\mathrm{211}}^1\times {\mathrm{227}}^1\times {\mathrm{557}}^1\times {\mathrm{709}}^1$

素因数の和:1704

約数の個数: 16

約数和(自身を含む): 19149756480

約数和(自身を除く): 234608519

約数列:

[1, 211, 227, 557, 709, 47897, 117527, 126439, 149599, 160943, 394913, 26678629, 33958973, 83326643, 89645251, 18915147961]

約数ペア:

[(1, 18915147961), (211, 89645251), (227, 83326643), (557, 33958973), (709, 26678629), (47897, 394913), (117527, 160943), (126439, 149599)]