19903330

素因数分解:

$2^1\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{1609}}^1$

素因数の和:2853

約数の個数: 16

約数和(自身を含む): 35877240

約数和(自身を除く): 15973910

約数列:

[1, 2, 5, 10, 1237, 1609, 2474, 3218, 6185, 8045, 12370, 16090, 1990333, 3980666, 9951665, 19903330]

約数ペア:

[(1, 19903330), (2, 9951665), (5, 3980666), (10, 1990333), (1237, 16090), (1609, 12370), (2474, 8045), (3218, 6185)]