19849090

素因数分解:

$2^1\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{1777}}^1$

素因数の和:2901

約数の個数: 16

約数和(自身を含む): 35780472

約数和(自身を除く): 15931382

約数列:

[1, 2, 5, 10, 1117, 1777, 2234, 3554, 5585, 8885, 11170, 17770, 1984909, 3969818, 9924545, 19849090]

約数ペア:

[(1, 19849090), (2, 9924545), (5, 3969818), (10, 1984909), (1117, 17770), (1777, 11170), (2234, 8885), (3554, 5585)]