18515784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{359}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 34706616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 307, 359, 614, 718, 921, 1077, 1228, 1436, 1842, 2149, 2154, 2456, 2513, 2872, 3684, 4298, 4308, 5026, 6447, 7368, 7539, 8596, 8616, 10052, 12894, 15078, 17192, 20104, 25788, 30156, 51576, 60312, 110213, 220426, 330639, 440852, 661278, 771491, 881704, 1322556, 1542982, 2314473, 2645112, 3085964, 4628946, 6171928, 9257892, 18515784]

約数ペア:

[(1, 18515784), (2, 9257892), (3, 6171928), (4, 4628946), (6, 3085964), (7, 2645112), (8, 2314473), (12, 1542982), (14, 1322556), (21, 881704), (24, 771491), (28, 661278), (42, 440852), (56, 330639), (84, 220426), (168, 110213), (307, 60312), (359, 51576), (614, 30156), (718, 25788), (921, 20104), (1077, 17192), (1228, 15078), (1436, 12894), (1842, 10052), (2149, 8616), (2154, 8596), (2456, 7539), (2513, 7368), (2872, 6447), (3684, 5026), (4298, 4308)]