18707920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3037}}^1$

素因数の和:3068

約数の個数: 80

約数和(自身を含む): 54246528

約数和(自身を除く): 35538608

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3037, 3080, 6074, 6160, 12148, 15185, 21259, 24296, 30370, 33407, 42518, 48592, 60740, 66814, 85036, 106295, 121480, 133628, 167035, 170072, 212590, 233849, 242960, 267256, 334070, 340144, 425180, 467698, 534512, 668140, 850360, 935396, 1169245, 1336280, 1700720, 1870792, 2338490, 2672560, 3741584, 4676980, 9353960, 18707920]

約数ペア:

[(1, 18707920), (2, 9353960), (4, 4676980), (5, 3741584), (7, 2672560), (8, 2338490), (10, 1870792), (11, 1700720), (14, 1336280), (16, 1169245), (20, 935396), (22, 850360), (28, 668140), (35, 534512), (40, 467698), (44, 425180), (55, 340144), (56, 334070), (70, 267256), (77, 242960), (80, 233849), (88, 212590), (110, 170072), (112, 167035), (140, 133628), (154, 121480), (176, 106295), (220, 85036), (280, 66814), (308, 60740), (385, 48592), (440, 42518), (560, 33407), (616, 30370), (770, 24296), (880, 21259), (1232, 15185), (1540, 12148), (3037, 6160), (3080, 6074)]