18317957

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3203}}^1$

素因数の和:3272

約数の個数: 16

約数和(自身を含む): 22556160

約数和(自身を除く): 4238203

約数列:

[1, 7, 19, 43, 133, 301, 817, 3203, 5719, 22421, 60857, 137729, 425999, 964103, 2616851, 18317957]

約数ペア:

[(1, 18317957), (7, 2616851), (19, 964103), (43, 425999), (133, 137729), (301, 60857), (817, 22421), (3203, 5719)]