19331420

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1061}}^1$

素因数の和:1981

約数の個数: 24

約数和(自身を含む): 40678848

約数和(自身を除く): 21347428

約数列:

[1, 2, 4, 5, 10, 20, 911, 1061, 1822, 2122, 3644, 4244, 4555, 5305, 9110, 10610, 18220, 21220, 966571, 1933142, 3866284, 4832855, 9665710, 19331420]

約数ペア:

[(1, 19331420), (2, 9665710), (4, 4832855), (5, 3866284), (10, 1933142), (20, 966571), (911, 21220), (1061, 18220), (1822, 10610), (2122, 9110), (3644, 5305), (4244, 4555)]