18804978

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 42378336

約数和(自身を除く): 23573358

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 83, 123, 166, 246, 249, 307, 369, 498, 614, 738, 747, 921, 1494, 1842, 2763, 3403, 5526, 6806, 10209, 12587, 20418, 25174, 25481, 30627, 37761, 50962, 61254, 75522, 76443, 113283, 152886, 226566, 229329, 458658, 1044721, 2089442, 3134163, 6268326, 9402489, 18804978]

約数ペア:

[(1, 18804978), (2, 9402489), (3, 6268326), (6, 3134163), (9, 2089442), (18, 1044721), (41, 458658), (82, 229329), (83, 226566), (123, 152886), (166, 113283), (246, 76443), (249, 75522), (307, 61254), (369, 50962), (498, 37761), (614, 30627), (738, 25481), (747, 25174), (921, 20418), (1494, 12587), (1842, 10209), (2763, 6806), (3403, 5526)]