19551392

素因数分解:

$2^5\times 7^2\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:398

約数の個数: 72

約数和(自身を含む): 46122804

約数和(自身を除く): 26571412

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 49, 56, 74, 98, 112, 148, 196, 224, 259, 296, 337, 392, 518, 592, 674, 784, 1036, 1184, 1348, 1568, 1813, 2072, 2359, 2696, 3626, 4144, 4718, 5392, 7252, 8288, 9436, 10784, 12469, 14504, 16513, 18872, 24938, 29008, 33026, 37744, 49876, 58016, 66052, 75488, 87283, 99752, 132104, 174566, 199504, 264208, 349132, 399008, 528416, 610981, 698264, 1221962, 1396528, 2443924, 2793056, 4887848, 9775696, 19551392]

約数ペア:

[(1, 19551392), (2, 9775696), (4, 4887848), (7, 2793056), (8, 2443924), (14, 1396528), (16, 1221962), (28, 698264), (32, 610981), (37, 528416), (49, 399008), (56, 349132), (74, 264208), (98, 199504), (112, 174566), (148, 132104), (196, 99752), (224, 87283), (259, 75488), (296, 66052), (337, 58016), (392, 49876), (518, 37744), (592, 33026), (674, 29008), (784, 24938), (1036, 18872), (1184, 16513), (1348, 14504), (1568, 12469), (1813, 10784), (2072, 9436), (2359, 8288), (2696, 7252), (3626, 5392), (4144, 4718)]