18714276

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{103}}^2$

素因数の和:230

約数の個数: 81

約数和(自身を含む): 55568331

約数和(自身を除く): 36854055

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 103, 126, 147, 196, 206, 252, 294, 309, 412, 441, 588, 618, 721, 882, 927, 1236, 1442, 1764, 1854, 2163, 2884, 3708, 4326, 5047, 6489, 8652, 10094, 10609, 12978, 15141, 20188, 21218, 25956, 30282, 31827, 42436, 45423, 60564, 63654, 74263, 90846, 95481, 127308, 148526, 181692, 190962, 222789, 297052, 381924, 445578, 519841, 668367, 891156, 1039682, 1336734, 1559523, 2079364, 2673468, 3119046, 4678569, 6238092, 9357138, 18714276]

約数ペア:

[(1, 18714276), (2, 9357138), (3, 6238092), (4, 4678569), (6, 3119046), (7, 2673468), (9, 2079364), (12, 1559523), (14, 1336734), (18, 1039682), (21, 891156), (28, 668367), (36, 519841), (42, 445578), (49, 381924), (63, 297052), (84, 222789), (98, 190962), (103, 181692), (126, 148526), (147, 127308), (196, 95481), (206, 90846), (252, 74263), (294, 63654), (309, 60564), (412, 45423), (441, 42436), (588, 31827), (618, 30282), (721, 25956), (882, 21218), (927, 20188), (1236, 15141), (1442, 12978), (1764, 10609), (1854, 10094), (2163, 8652), (2884, 6489), (3708, 5047)]