18424665

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 38704512

約数和(自身を除く): 20279847

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 67, 81, 97, 105, 135, 189, 201, 291, 315, 335, 405, 469, 485, 567, 603, 679, 873, 945, 1005, 1407, 1455, 1809, 2037, 2345, 2619, 2835, 3015, 3395, 4221, 4365, 5427, 6111, 6499, 7035, 7857, 9045, 10185, 12663, 13095, 18333, 19497, 21105, 27135, 30555, 32495, 37989, 39285, 45493, 54999, 58491, 63315, 91665, 97485, 136479, 175473, 189945, 227465, 274995, 292455, 409437, 526419, 682395, 877365, 1228311, 2047185, 2632095, 3684933, 6141555, 18424665]

約数ペア:

[(1, 18424665), (3, 6141555), (5, 3684933), (7, 2632095), (9, 2047185), (15, 1228311), (21, 877365), (27, 682395), (35, 526419), (45, 409437), (63, 292455), (67, 274995), (81, 227465), (97, 189945), (105, 175473), (135, 136479), (189, 97485), (201, 91665), (291, 63315), (315, 58491), (335, 54999), (405, 45493), (469, 39285), (485, 37989), (567, 32495), (603, 30555), (679, 27135), (873, 21105), (945, 19497), (1005, 18333), (1407, 13095), (1455, 12663), (1809, 10185), (2037, 9045), (2345, 7857), (2619, 7035), (2835, 6499), (3015, 6111), (3395, 5427), (4221, 4365)]