18318474

素因数分解:

$2^1\times 3^4\times {\mathrm{73}}^1\times {\mathrm{1549}}^1$

素因数の和:1636

約数の個数: 40

約数和(自身を含む): 41636100

約数和(自身を除く): 23317626

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 438, 657, 1314, 1549, 1971, 3098, 3942, 4647, 5913, 9294, 11826, 13941, 27882, 41823, 83646, 113077, 125469, 226154, 250938, 339231, 678462, 1017693, 2035386, 3053079, 6106158, 9159237, 18318474]

約数ペア:

[(1, 18318474), (2, 9159237), (3, 6106158), (6, 3053079), (9, 2035386), (18, 1017693), (27, 678462), (54, 339231), (73, 250938), (81, 226154), (146, 125469), (162, 113077), (219, 83646), (438, 41823), (657, 27882), (1314, 13941), (1549, 11826), (1971, 9294), (3098, 5913), (3942, 4647)]