18156957

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{66509}}^1$

素因数の和:66532

約数の個数: 16

約数和(自身を含む): 29796480

約数和(自身を除く): 11639523

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 66509, 199527, 465563, 864617, 1396689, 2593851, 6052319, 18156957]

約数ペア:

[(1, 18156957), (3, 6052319), (7, 2593851), (13, 1396689), (21, 864617), (39, 465563), (91, 199527), (273, 66509)]