19295648

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 40027680

約数和(自身を除く): 20732032

約数列:

[1, 2, 4, 8, 16, 32, 37, 43, 74, 86, 148, 172, 296, 344, 379, 592, 688, 758, 1184, 1376, 1516, 1591, 3032, 3182, 6064, 6364, 12128, 12728, 14023, 16297, 25456, 28046, 32594, 50912, 56092, 65188, 112184, 130376, 224368, 260752, 448736, 521504, 602989, 1205978, 2411956, 4823912, 9647824, 19295648]

約数ペア:

[(1, 19295648), (2, 9647824), (4, 4823912), (8, 2411956), (16, 1205978), (32, 602989), (37, 521504), (43, 448736), (74, 260752), (86, 224368), (148, 130376), (172, 112184), (296, 65188), (344, 56092), (379, 50912), (592, 32594), (688, 28046), (758, 25456), (1184, 16297), (1376, 14023), (1516, 12728), (1591, 12128), (3032, 6364), (3182, 6064)]