18920755

素因数分解:

$5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2801}}^1$

素因数の和:3006

約数の個数: 16

約数和(自身を含む): 26092224

約数和(自身を除く): 7171469

約数列:

[1, 5, 7, 35, 193, 965, 1351, 2801, 6755, 14005, 19607, 98035, 540593, 2702965, 3784151, 18920755]

約数ペア:

[(1, 18920755), (5, 3784151), (7, 2702965), (35, 540593), (193, 98035), (965, 19607), (1351, 14005), (2801, 6755)]