18895576

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 45144000

約数和(自身を除く): 26248424

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 43, 49, 56, 59, 76, 86, 98, 118, 133, 152, 172, 196, 236, 266, 301, 344, 392, 413, 472, 532, 602, 817, 826, 931, 1064, 1121, 1204, 1634, 1652, 1862, 2107, 2242, 2408, 2537, 2891, 3268, 3304, 3724, 4214, 4484, 5074, 5719, 5782, 6536, 7448, 7847, 8428, 8968, 10148, 11438, 11564, 15694, 16856, 17759, 20296, 22876, 23128, 31388, 35518, 40033, 45752, 48203, 54929, 62776, 71036, 80066, 96406, 109858, 124313, 142072, 160132, 192812, 219716, 248626, 320264, 337421, 385624, 439432, 497252, 674842, 994504, 1349684, 2361947, 2699368, 4723894, 9447788, 18895576]

約数ペア:

[(1, 18895576), (2, 9447788), (4, 4723894), (7, 2699368), (8, 2361947), (14, 1349684), (19, 994504), (28, 674842), (38, 497252), (43, 439432), (49, 385624), (56, 337421), (59, 320264), (76, 248626), (86, 219716), (98, 192812), (118, 160132), (133, 142072), (152, 124313), (172, 109858), (196, 96406), (236, 80066), (266, 71036), (301, 62776), (344, 54929), (392, 48203), (413, 45752), (472, 40033), (532, 35518), (602, 31388), (817, 23128), (826, 22876), (931, 20296), (1064, 17759), (1121, 16856), (1204, 15694), (1634, 11564), (1652, 11438), (1862, 10148), (2107, 8968), (2242, 8428), (2408, 7847), (2537, 7448), (2891, 6536), (3268, 5782), (3304, 5719), (3724, 5074), (4214, 4484)]