18464628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 54578944

約数和(自身を除く): 36114316

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 37, 39, 42, 52, 74, 78, 84, 91, 111, 148, 156, 182, 222, 259, 273, 364, 444, 457, 481, 518, 546, 777, 914, 962, 1036, 1092, 1371, 1443, 1554, 1828, 1924, 2742, 2886, 3108, 3199, 3367, 5484, 5772, 5941, 6398, 6734, 9597, 10101, 11882, 12796, 13468, 16909, 17823, 19194, 20202, 23764, 33818, 35646, 38388, 40404, 41587, 50727, 67636, 71292, 83174, 101454, 118363, 124761, 166348, 202908, 219817, 236726, 249522, 355089, 439634, 473452, 499044, 659451, 710178, 879268, 1318902, 1420356, 1538719, 2637804, 3077438, 4616157, 6154876, 9232314, 18464628]

約数ペア:

[(1, 18464628), (2, 9232314), (3, 6154876), (4, 4616157), (6, 3077438), (7, 2637804), (12, 1538719), (13, 1420356), (14, 1318902), (21, 879268), (26, 710178), (28, 659451), (37, 499044), (39, 473452), (42, 439634), (52, 355089), (74, 249522), (78, 236726), (84, 219817), (91, 202908), (111, 166348), (148, 124761), (156, 118363), (182, 101454), (222, 83174), (259, 71292), (273, 67636), (364, 50727), (444, 41587), (457, 40404), (481, 38388), (518, 35646), (546, 33818), (777, 23764), (914, 20202), (962, 19194), (1036, 17823), (1092, 16909), (1371, 13468), (1443, 12796), (1554, 11882), (1828, 10101), (1924, 9597), (2742, 6734), (2886, 6398), (3108, 5941), (3199, 5772), (3367, 5484)]