18172746

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:547

約数の個数: 48

約数和(自身を含む): 41142816

約数和(自身を除く): 22970070

約数列:

[1, 2, 3, 6, 9, 18, 43, 53, 86, 106, 129, 159, 258, 318, 387, 443, 477, 774, 886, 954, 1329, 2279, 2658, 3987, 4558, 6837, 7974, 13674, 19049, 20511, 23479, 38098, 41022, 46958, 57147, 70437, 114294, 140874, 171441, 211311, 342882, 422622, 1009597, 2019194, 3028791, 6057582, 9086373, 18172746]

約数ペア:

[(1, 18172746), (2, 9086373), (3, 6057582), (6, 3028791), (9, 2019194), (18, 1009597), (43, 422622), (53, 342882), (86, 211311), (106, 171441), (129, 140874), (159, 114294), (258, 70437), (318, 57147), (387, 46958), (443, 41022), (477, 38098), (774, 23479), (886, 20511), (954, 19049), (1329, 13674), (2279, 7974), (2658, 6837), (3987, 4558)]