19149020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87041}}^1$

素因数の和:87061

約数の個数: 24

約数和(自身を含む): 43869168

約数和(自身を除く): 24720148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 87041, 174082, 348164, 435205, 870410, 957451, 1740820, 1914902, 3829804, 4787255, 9574510, 19149020]

約数ペア:

[(1, 19149020), (2, 9574510), (4, 4787255), (5, 3829804), (10, 1914902), (11, 1740820), (20, 957451), (22, 870410), (44, 435205), (55, 348164), (110, 174082), (220, 87041)]