19291340

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1933}}^1$

素因数の和:2441

約数の個数: 24

約数和(自身を含む): 40614000

約数和(自身を除く): 21322660

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1933, 1996, 2495, 3866, 4990, 7732, 9665, 9980, 19330, 38660, 964567, 1929134, 3858268, 4822835, 9645670, 19291340]

約数ペア:

[(1, 19291340), (2, 9645670), (4, 4822835), (5, 3858268), (10, 1929134), (20, 964567), (499, 38660), (998, 19330), (1933, 9980), (1996, 9665), (2495, 7732), (3866, 4990)]