19818228

素因数分解:

$2^2\times 3^1\times {\mathrm{827}}^1\times {\mathrm{1997}}^1$

素因数の和:2831

約数の個数: 24

約数和(自身を含む): 46321632

約数和(自身を除く): 26503404

約数列:

[1, 2, 3, 4, 6, 12, 827, 1654, 1997, 2481, 3308, 3994, 4962, 5991, 7988, 9924, 11982, 23964, 1651519, 3303038, 4954557, 6606076, 9909114, 19818228]

約数ペア:

[(1, 19818228), (2, 9909114), (3, 6606076), (4, 4954557), (6, 3303038), (12, 1651519), (827, 23964), (1654, 11982), (1997, 9924), (2481, 7988), (3308, 5991), (3994, 4962)]