19880686

素因数分解:

$2^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{1657}}^1$

素因数の和:2523

約数の個数: 16

約数和(自身を含む): 34141536

約数和(自身を除く): 14260850

約数列:

[1, 2, 7, 14, 857, 1657, 1714, 3314, 5999, 11599, 11998, 23198, 1420049, 2840098, 9940343, 19880686]

約数ペア:

[(1, 19880686), (2, 9940343), (7, 2840098), (14, 1420049), (857, 23198), (1657, 11998), (1714, 11599), (3314, 5999)]