19808710

素因数分解:

$2^1\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{1721}}^1$

素因数の和:2879

約数の個数: 16

約数和(自身を含む): 35707392

約数和(自身を除く): 15898682

約数列:

[1, 2, 5, 10, 1151, 1721, 2302, 3442, 5755, 8605, 11510, 17210, 1980871, 3961742, 9904355, 19808710]

約数ペア:

[(1, 19808710), (2, 9904355), (5, 3961742), (10, 1980871), (1151, 17210), (1721, 11510), (2302, 8605), (3442, 5755)]