1899905

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2857}}^1$

素因数の和:2888

約数の個数: 16

約数和(自身を含む): 2743680

約数和(自身を除く): 843775

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 2857, 14285, 19999, 54283, 99995, 271415, 379981, 1899905]

約数ペア:

[(1, 1899905), (5, 379981), (7, 271415), (19, 99995), (35, 54283), (95, 19999), (133, 14285), (665, 2857)]