19961935

素因数分解:

$5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{887}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 27449856

約数和(自身を除く): 7487921

約数列:

[1, 5, 7, 35, 643, 887, 3215, 4435, 4501, 6209, 22505, 31045, 570341, 2851705, 3992387, 19961935]

約数ペア:

[(1, 19961935), (5, 3992387), (7, 2851705), (35, 570341), (643, 31045), (887, 22505), (3215, 6209), (4435, 4501)]