18947988

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{4919}}^1$

素因数の和:5036

約数の個数: 36

約数和(自身を含む): 48353760

約数和(自身を除く): 29405772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 4919, 9838, 14757, 19676, 29514, 44271, 59028, 88542, 177084, 526333, 1052666, 1578999, 2105332, 3157998, 4736997, 6315996, 9473994, 18947988]

約数ペア:

[(1, 18947988), (2, 9473994), (3, 6315996), (4, 4736997), (6, 3157998), (9, 2105332), (12, 1578999), (18, 1052666), (36, 526333), (107, 177084), (214, 88542), (321, 59028), (428, 44271), (642, 29514), (963, 19676), (1284, 14757), (1926, 9838), (3852, 4919)]