18731889

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:298

約数の個数: 36

約数和(自身を含む): 30209088

約数和(自身を除く): 11477199

約数列:

[1, 3, 9, 11, 33, 99, 103, 121, 167, 309, 363, 501, 927, 1089, 1133, 1503, 1837, 3399, 5511, 10197, 12463, 16533, 17201, 20207, 37389, 51603, 60621, 112167, 154809, 181863, 189211, 567633, 1702899, 2081321, 6243963, 18731889]

約数ペア:

[(1, 18731889), (3, 6243963), (9, 2081321), (11, 1702899), (33, 567633), (99, 189211), (103, 181863), (121, 154809), (167, 112167), (309, 60621), (363, 51603), (501, 37389), (927, 20207), (1089, 17201), (1133, 16533), (1503, 12463), (1837, 10197), (3399, 5511)]