19729090

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13241}}^1$

素因数の和:13397

約数の個数: 16

約数和(自身を含む): 35753400

約数和(自身を除く): 16024310

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 13241, 26482, 66205, 132410, 1972909, 3945818, 9864545, 19729090]

約数ペア:

[(1, 19729090), (2, 9864545), (5, 3945818), (10, 1972909), (149, 132410), (298, 66205), (745, 26482), (1490, 13241)]