18665976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 53786880

約数和(自身を除く): 35120904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 137, 168, 274, 411, 548, 811, 822, 959, 1096, 1622, 1644, 1918, 2433, 2877, 3244, 3288, 3836, 4866, 5677, 5754, 6488, 7672, 9732, 11354, 11508, 17031, 19464, 22708, 23016, 34062, 45416, 68124, 111107, 136248, 222214, 333321, 444428, 666642, 777749, 888856, 1333284, 1555498, 2333247, 2666568, 3110996, 4666494, 6221992, 9332988, 18665976]

約数ペア:

[(1, 18665976), (2, 9332988), (3, 6221992), (4, 4666494), (6, 3110996), (7, 2666568), (8, 2333247), (12, 1555498), (14, 1333284), (21, 888856), (24, 777749), (28, 666642), (42, 444428), (56, 333321), (84, 222214), (137, 136248), (168, 111107), (274, 68124), (411, 45416), (548, 34062), (811, 23016), (822, 22708), (959, 19464), (1096, 17031), (1622, 11508), (1644, 11354), (1918, 9732), (2433, 7672), (2877, 6488), (3244, 5754), (3288, 5677), (3836, 4866)]