18268803

素因数分解:

$3^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{709}}^1$

素因数の和:1131

約数の個数: 24

約数和(自身を含む): 30274400

約数和(自身を除く): 12005597

約数列:

[1, 3, 7, 9, 21, 63, 409, 709, 1227, 2127, 2863, 3681, 4963, 6381, 8589, 14889, 25767, 44667, 289981, 869943, 2029867, 2609829, 6089601, 18268803]

約数ペア:

[(1, 18268803), (3, 6089601), (7, 2609829), (9, 2029867), (21, 869943), (63, 289981), (409, 44667), (709, 25767), (1227, 14889), (2127, 8589), (2863, 6381), (3681, 4963)]