18700085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{11579}}^1$

素因数の和:11620

約数の個数: 16

約数和(自身を含む): 25012800

約数和(自身を除く): 6312715

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 11579, 57895, 196843, 220001, 984215, 1100005, 3740017, 18700085]

約数ペア:

[(1, 18700085), (5, 3740017), (17, 1100005), (19, 984215), (85, 220001), (95, 196843), (323, 57895), (1615, 11579)]