19038485

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 23303280

約数和(自身を除く): 4264795

約数列:

[1, 5, 109, 181, 193, 545, 905, 965, 19729, 21037, 34933, 98645, 105185, 174665, 3807697, 19038485]

約数ペア:

[(1, 19038485), (5, 3807697), (109, 174665), (181, 105185), (193, 98645), (545, 34933), (905, 21037), (965, 19729)]