18680778

素因数分解:

$2^1\times 3^2\times {\mathrm{163}}^1\times {\mathrm{6367}}^1$

素因数の和:6538

約数の個数: 24

約数和(自身を含む): 40729728

約数和(自身を除く): 22048950

約数列:

[1, 2, 3, 6, 9, 18, 163, 326, 489, 978, 1467, 2934, 6367, 12734, 19101, 38202, 57303, 114606, 1037821, 2075642, 3113463, 6226926, 9340389, 18680778]

約数ペア:

[(1, 18680778), (2, 9340389), (3, 6226926), (6, 3113463), (9, 2075642), (18, 1037821), (163, 114606), (326, 57303), (489, 38202), (978, 19101), (1467, 12734), (2934, 6367)]