18110224

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2393}}^1$

素因数の和:2455

約数の個数: 40

約数和(自身を含む): 39184992

約数和(自身を除く): 21074768

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2393, 3784, 4786, 7568, 9572, 19144, 26323, 38288, 52646, 102899, 105292, 205798, 210584, 411596, 421168, 823192, 1131889, 1646384, 2263778, 4527556, 9055112, 18110224]

約数ペア:

[(1, 18110224), (2, 9055112), (4, 4527556), (8, 2263778), (11, 1646384), (16, 1131889), (22, 823192), (43, 421168), (44, 411596), (86, 210584), (88, 205798), (172, 105292), (176, 102899), (344, 52646), (473, 38288), (688, 26323), (946, 19144), (1892, 9572), (2393, 7568), (3784, 4786)]