18606280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{863}}^1$

素因数の和:899

約数の個数: 96

約数和(自身を含む): 53187840

約数和(自身を除く): 34581560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 863, 980, 1078, 1540, 1726, 1960, 2156, 2695, 3080, 3452, 4312, 4315, 5390, 6041, 6904, 8630, 9493, 10780, 12082, 17260, 18986, 21560, 24164, 30205, 34520, 37972, 42287, 47465, 48328, 60410, 66451, 75944, 84574, 94930, 120820, 132902, 169148, 189860, 211435, 241640, 265804, 332255, 338296, 379720, 422870, 465157, 531608, 664510, 845740, 930314, 1329020, 1691480, 1860628, 2325785, 2658040, 3721256, 4651570, 9303140, 18606280]

約数ペア:

[(1, 18606280), (2, 9303140), (4, 4651570), (5, 3721256), (7, 2658040), (8, 2325785), (10, 1860628), (11, 1691480), (14, 1329020), (20, 930314), (22, 845740), (28, 664510), (35, 531608), (40, 465157), (44, 422870), (49, 379720), (55, 338296), (56, 332255), (70, 265804), (77, 241640), (88, 211435), (98, 189860), (110, 169148), (140, 132902), (154, 120820), (196, 94930), (220, 84574), (245, 75944), (280, 66451), (308, 60410), (385, 48328), (392, 47465), (440, 42287), (490, 37972), (539, 34520), (616, 30205), (770, 24164), (863, 21560), (980, 18986), (1078, 17260), (1540, 12082), (1726, 10780), (1960, 9493), (2156, 8630), (2695, 6904), (3080, 6041), (3452, 5390), (4312, 4315)]