18670960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{433}}^1$

素因数の和:471

約数の個数: 120

約数和(自身を含む): 55215216

約数和(自身を除く): 36544256

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 433, 440, 490, 539, 560, 616, 770, 784, 866, 880, 980, 1078, 1232, 1540, 1732, 1960, 2156, 2165, 2695, 3031, 3080, 3464, 3920, 4312, 4330, 4763, 5390, 6062, 6160, 6928, 8624, 8660, 9526, 10780, 12124, 15155, 17320, 19052, 21217, 21560, 23815, 24248, 30310, 33341, 34640, 38104, 42434, 43120, 47630, 48496, 60620, 66682, 76208, 84868, 95260, 106085, 121240, 133364, 166705, 169736, 190520, 212170, 233387, 242480, 266728, 333410, 339472, 381040, 424340, 466774, 533456, 666820, 848680, 933548, 1166935, 1333640, 1697360, 1867096, 2333870, 2667280, 3734192, 4667740, 9335480, 18670960]

約数ペア:

[(1, 18670960), (2, 9335480), (4, 4667740), (5, 3734192), (7, 2667280), (8, 2333870), (10, 1867096), (11, 1697360), (14, 1333640), (16, 1166935), (20, 933548), (22, 848680), (28, 666820), (35, 533456), (40, 466774), (44, 424340), (49, 381040), (55, 339472), (56, 333410), (70, 266728), (77, 242480), (80, 233387), (88, 212170), (98, 190520), (110, 169736), (112, 166705), (140, 133364), (154, 121240), (176, 106085), (196, 95260), (220, 84868), (245, 76208), (280, 66682), (308, 60620), (385, 48496), (392, 47630), (433, 43120), (440, 42434), (490, 38104), (539, 34640), (560, 33341), (616, 30310), (770, 24248), (784, 23815), (866, 21560), (880, 21217), (980, 19052), (1078, 17320), (1232, 15155), (1540, 12124), (1732, 10780), (1960, 9526), (2156, 8660), (2165, 8624), (2695, 6928), (3031, 6160), (3080, 6062), (3464, 5390), (3920, 4763), (4312, 4330)]