19444084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{239}}^1$

素因数の和:340

約数の個数: 36

約数和(自身を含む): 38162880

約数和(自身を除く): 18718796

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 239, 473, 478, 946, 956, 1849, 1892, 2629, 3698, 5258, 7396, 10277, 10516, 20339, 20554, 40678, 41108, 81356, 113047, 226094, 441911, 452188, 883822, 1767644, 4861021, 9722042, 19444084]

約数ペア:

[(1, 19444084), (2, 9722042), (4, 4861021), (11, 1767644), (22, 883822), (43, 452188), (44, 441911), (86, 226094), (172, 113047), (239, 81356), (473, 41108), (478, 40678), (946, 20554), (956, 20339), (1849, 10516), (1892, 10277), (2629, 7396), (3698, 5258)]