18691085

素因数分解:

$5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2767}}^1$

素因数の和:2972

約数の個数: 16

約数和(自身を含む): 25775616

約数和(自身を除く): 7084531

約数列:

[1, 5, 7, 35, 193, 965, 1351, 2767, 6755, 13835, 19369, 96845, 534031, 2670155, 3738217, 18691085]

約数ペア:

[(1, 18691085), (5, 3738217), (7, 2670155), (35, 534031), (193, 96845), (965, 19369), (1351, 13835), (2767, 6755)]