19150780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87049}}^1$

素因数の和:87069

約数の個数: 24

約数和(自身を含む): 43873200

約数和(自身を除く): 24722420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 87049, 174098, 348196, 435245, 870490, 957539, 1740980, 1915078, 3830156, 4787695, 9575390, 19150780]

約数ペア:

[(1, 19150780), (2, 9575390), (4, 4787695), (5, 3830156), (10, 1915078), (11, 1740980), (20, 957539), (22, 870490), (44, 435245), (55, 348196), (110, 174098), (220, 87049)]