18005406985

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{425107}}^1$

素因数の和:425352

約数の個数: 16

約数和(自身を含む): 22221245376

約数和(自身を除く): 4215838391

約数列:

[1, 5, 43, 197, 215, 985, 8471, 42355, 425107, 2125535, 18279601, 83746079, 91398005, 418730395, 3601081397, 18005406985]

約数ペア:

[(1, 18005406985), (5, 3601081397), (43, 418730395), (197, 91398005), (215, 83746079), (985, 18279601), (8471, 2125535), (42355, 425107)]