18853398

素因数分解:

$2^1\times 3^6\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 56

約数和(自身を含む): 43256568

約数和(自身を除く): 24403170

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 81, 134, 162, 193, 201, 243, 386, 402, 486, 579, 603, 729, 1158, 1206, 1458, 1737, 1809, 3474, 3618, 5211, 5427, 10422, 10854, 12931, 15633, 16281, 25862, 31266, 32562, 38793, 46899, 48843, 77586, 93798, 97686, 116379, 140697, 232758, 281394, 349137, 698274, 1047411, 2094822, 3142233, 6284466, 9426699, 18853398]

約数ペア:

[(1, 18853398), (2, 9426699), (3, 6284466), (6, 3142233), (9, 2094822), (18, 1047411), (27, 698274), (54, 349137), (67, 281394), (81, 232758), (134, 140697), (162, 116379), (193, 97686), (201, 93798), (243, 77586), (386, 48843), (402, 46899), (486, 38793), (579, 32562), (603, 31266), (729, 25862), (1158, 16281), (1206, 15633), (1458, 12931), (1737, 10854), (1809, 10422), (3474, 5427), (3618, 5211)]