18858483

素因数分解:

$3^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 32760000

約数和(自身を除く): 13901517

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 149, 287, 343, 369, 441, 447, 861, 1029, 1043, 1341, 2009, 2583, 3087, 3129, 6027, 6109, 7301, 9387, 14063, 18081, 18327, 21903, 42189, 42763, 51107, 54981, 65709, 126567, 128289, 153321, 299341, 384867, 459963, 898023, 2095387, 2694069, 6286161, 18858483]

約数ペア:

[(1, 18858483), (3, 6286161), (7, 2694069), (9, 2095387), (21, 898023), (41, 459963), (49, 384867), (63, 299341), (123, 153321), (147, 128289), (149, 126567), (287, 65709), (343, 54981), (369, 51107), (441, 42763), (447, 42189), (861, 21903), (1029, 18327), (1043, 18081), (1341, 14063), (2009, 9387), (2583, 7301), (3087, 6109), (3129, 6027)]