2019978

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:388

約数の個数: 40

約数和(自身を含む): 4662372

約数和(自身を除く): 2642394

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 333, 337, 666, 674, 999, 1011, 1998, 2022, 2997, 3033, 5994, 6066, 9099, 12469, 18198, 24938, 27297, 37407, 54594, 74814, 112221, 224442, 336663, 673326, 1009989, 2019978]

約数ペア:

[(1, 2019978), (2, 1009989), (3, 673326), (6, 336663), (9, 224442), (18, 112221), (27, 74814), (37, 54594), (54, 37407), (74, 27297), (81, 24938), (111, 18198), (162, 12469), (222, 9099), (333, 6066), (337, 5994), (666, 3033), (674, 2997), (999, 2022), (1011, 1998)]