2019989285

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{937}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 2559524352

約数和(自身を除く): 539535067

約数列:

[1, 5, 37, 43, 185, 215, 271, 937, 1355, 1591, 4685, 7955, 10027, 11653, 34669, 40291, 50135, 58265, 173345, 201455, 253927, 431161, 1269635, 1490767, 2155805, 7453835, 9395299, 10918861, 46976495, 54594305, 403997857, 2019989285]

約数ペア:

[(1, 2019989285), (5, 403997857), (37, 54594305), (43, 46976495), (185, 10918861), (215, 9395299), (271, 7453835), (937, 2155805), (1355, 1490767), (1591, 1269635), (4685, 431161), (7955, 253927), (10027, 201455), (11653, 173345), (34669, 58265), (40291, 50135)]