19955215

素因数分解:

$5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2029}}^1$

素因数の和:2322

約数の個数: 16

約数和(自身を含む): 27478080

約数和(自身を除く): 7522865

約数列:

[1, 5, 7, 35, 281, 1405, 1967, 2029, 9835, 10145, 14203, 71015, 570149, 2850745, 3991043, 19955215]

約数ペア:

[(1, 19955215), (5, 3991043), (7, 2850745), (35, 570149), (281, 71015), (1405, 14203), (1967, 10145), (2029, 9835)]