19639030

素因数分解:

$2^1\times 5^1\times {\mathrm{919}}^1\times {\mathrm{2137}}^1$

素因数の和:3063

約数の個数: 16

約数和(自身を含む): 35405280

約数和(自身を除く): 15766250

約数列:

[1, 2, 5, 10, 919, 1838, 2137, 4274, 4595, 9190, 10685, 21370, 1963903, 3927806, 9819515, 19639030]

約数ペア:

[(1, 19639030), (2, 9819515), (5, 3927806), (10, 1963903), (919, 21370), (1838, 10685), (2137, 9190), (4274, 4595)]