19088180

素因数分解:

$2^2\times 5^1\times {\mathrm{954409}}^1$

素因数の和:954418

約数の個数: 12

約数和(自身を含む): 40085220

約数和(自身を除く): 20997040

約数列:

[1, 2, 4, 5, 10, 20, 954409, 1908818, 3817636, 4772045, 9544090, 19088180]

約数ペア:

[(1, 19088180), (2, 9544090), (4, 4772045), (5, 3817636), (10, 1908818), (20, 954409)]