18679734

素因数分解:

$2^1\times 3^4\times {\mathrm{67}}^1\times {\mathrm{1721}}^1$

素因数の和:1802

約数の個数: 40

約数和(自身を含む): 42505848

約数和(自身を除く): 23826114

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 81, 134, 162, 201, 402, 603, 1206, 1721, 1809, 3442, 3618, 5163, 5427, 10326, 10854, 15489, 30978, 46467, 92934, 115307, 139401, 230614, 278802, 345921, 691842, 1037763, 2075526, 3113289, 6226578, 9339867, 18679734]

約数ペア:

[(1, 18679734), (2, 9339867), (3, 6226578), (6, 3113289), (9, 2075526), (18, 1037763), (27, 691842), (54, 345921), (67, 278802), (81, 230614), (134, 139401), (162, 115307), (201, 92934), (402, 46467), (603, 30978), (1206, 15489), (1721, 10854), (1809, 10326), (3442, 5427), (3618, 5163)]