19196560

素因数分解:

$2^4\times 5^1\times {\mathrm{239957}}^1$

素因数の和:239970

約数の個数: 20

約数和(自身を含む): 44632188

約数和(自身を除く): 25435628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239957, 479914, 959828, 1199785, 1919656, 2399570, 3839312, 4799140, 9598280, 19196560]

約数ペア:

[(1, 19196560), (2, 9598280), (4, 4799140), (5, 3839312), (8, 2399570), (10, 1919656), (16, 1199785), (20, 959828), (40, 479914), (80, 239957)]