18372018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 25754190

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 47, 82, 94, 123, 141, 227, 246, 282, 287, 329, 454, 574, 658, 681, 861, 987, 1362, 1589, 1722, 1927, 1974, 3178, 3854, 4767, 5781, 9307, 9534, 10669, 11562, 13489, 18614, 21338, 26978, 27921, 32007, 40467, 55842, 64014, 65149, 74683, 80934, 130298, 149366, 195447, 224049, 390894, 437429, 448098, 874858, 1312287, 2624574, 3062003, 6124006, 9186009, 18372018]

約数ペア:

[(1, 18372018), (2, 9186009), (3, 6124006), (6, 3062003), (7, 2624574), (14, 1312287), (21, 874858), (41, 448098), (42, 437429), (47, 390894), (82, 224049), (94, 195447), (123, 149366), (141, 130298), (227, 80934), (246, 74683), (282, 65149), (287, 64014), (329, 55842), (454, 40467), (574, 32007), (658, 27921), (681, 26978), (861, 21338), (987, 18614), (1362, 13489), (1589, 11562), (1722, 10669), (1927, 9534), (1974, 9307), (3178, 5781), (3854, 4767)]