18757256

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 45681600

約数和(自身を除く): 26924344

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 61, 68, 76, 119, 122, 133, 136, 152, 238, 244, 266, 289, 323, 427, 476, 488, 532, 578, 646, 854, 952, 1037, 1064, 1156, 1159, 1292, 1708, 2023, 2074, 2261, 2312, 2318, 2584, 3416, 4046, 4148, 4522, 4636, 5491, 7259, 8092, 8113, 8296, 9044, 9272, 10982, 14518, 16184, 16226, 17629, 18088, 19703, 21964, 29036, 32452, 35258, 38437, 39406, 43928, 58072, 64904, 70516, 76874, 78812, 123403, 137921, 141032, 153748, 157624, 246806, 275842, 307496, 334951, 493612, 551684, 669902, 987224, 1103368, 1339804, 2344657, 2679608, 4689314, 9378628, 18757256]

約数ペア:

[(1, 18757256), (2, 9378628), (4, 4689314), (7, 2679608), (8, 2344657), (14, 1339804), (17, 1103368), (19, 987224), (28, 669902), (34, 551684), (38, 493612), (56, 334951), (61, 307496), (68, 275842), (76, 246806), (119, 157624), (122, 153748), (133, 141032), (136, 137921), (152, 123403), (238, 78812), (244, 76874), (266, 70516), (289, 64904), (323, 58072), (427, 43928), (476, 39406), (488, 38437), (532, 35258), (578, 32452), (646, 29036), (854, 21964), (952, 19703), (1037, 18088), (1064, 17629), (1156, 16226), (1159, 16184), (1292, 14518), (1708, 10982), (2023, 9272), (2074, 9044), (2261, 8296), (2312, 8113), (2318, 8092), (2584, 7259), (3416, 5491), (4046, 4636), (4148, 4522)]