18683973

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 96

約数和(自身を含む): 37452800

約数和(自身を除く): 18768827

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 43, 57, 63, 77, 99, 121, 129, 133, 171, 189, 209, 231, 297, 301, 363, 387, 399, 473, 513, 627, 693, 817, 847, 903, 1089, 1161, 1197, 1419, 1463, 1881, 2079, 2299, 2451, 2541, 2709, 3267, 3311, 3591, 4257, 4389, 5203, 5643, 5719, 6897, 7353, 7623, 8127, 8987, 9933, 12771, 13167, 15609, 16093, 17157, 20691, 22059, 22869, 26961, 29799, 36421, 39501, 46827, 48279, 51471, 62073, 62909, 80883, 89397, 98857, 109263, 140481, 144837, 154413, 188727, 242649, 296571, 327789, 434511, 566181, 691999, 889713, 983367, 1698543, 2075997, 2669139, 6227991, 18683973]

約数ペア:

[(1, 18683973), (3, 6227991), (7, 2669139), (9, 2075997), (11, 1698543), (19, 983367), (21, 889713), (27, 691999), (33, 566181), (43, 434511), (57, 327789), (63, 296571), (77, 242649), (99, 188727), (121, 154413), (129, 144837), (133, 140481), (171, 109263), (189, 98857), (209, 89397), (231, 80883), (297, 62909), (301, 62073), (363, 51471), (387, 48279), (399, 46827), (473, 39501), (513, 36421), (627, 29799), (693, 26961), (817, 22869), (847, 22059), (903, 20691), (1089, 17157), (1161, 16093), (1197, 15609), (1419, 13167), (1463, 12771), (1881, 9933), (2079, 8987), (2299, 8127), (2451, 7623), (2541, 7353), (2709, 6897), (3267, 5719), (3311, 5643), (3591, 5203), (4257, 4389)]