19737872

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 49080192

約数和(自身を除く): 29342320

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 37, 44, 56, 74, 77, 88, 112, 148, 154, 176, 259, 296, 308, 407, 433, 518, 592, 616, 814, 866, 1036, 1232, 1628, 1732, 2072, 2849, 3031, 3256, 3464, 4144, 4763, 5698, 6062, 6512, 6928, 9526, 11396, 12124, 16021, 19052, 22792, 24248, 32042, 33341, 38104, 45584, 48496, 64084, 66682, 76208, 112147, 128168, 133364, 176231, 224294, 256336, 266728, 352462, 448588, 533456, 704924, 897176, 1233617, 1409848, 1794352, 2467234, 2819696, 4934468, 9868936, 19737872]

約数ペア:

[(1, 19737872), (2, 9868936), (4, 4934468), (7, 2819696), (8, 2467234), (11, 1794352), (14, 1409848), (16, 1233617), (22, 897176), (28, 704924), (37, 533456), (44, 448588), (56, 352462), (74, 266728), (77, 256336), (88, 224294), (112, 176231), (148, 133364), (154, 128168), (176, 112147), (259, 76208), (296, 66682), (308, 64084), (407, 48496), (433, 45584), (518, 38104), (592, 33341), (616, 32042), (814, 24248), (866, 22792), (1036, 19052), (1232, 16021), (1628, 12124), (1732, 11396), (2072, 9526), (2849, 6928), (3031, 6512), (3256, 6062), (3464, 5698), (4144, 4763)]