19689564

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71339}}^1$

素因数の和:71369

約数の個数: 24

約数和(自身を含む): 47940480

約数和(自身を除く): 28250916

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 71339, 142678, 214017, 285356, 428034, 856068, 1640797, 3281594, 4922391, 6563188, 9844782, 19689564]

約数ペア:

[(1, 19689564), (2, 9844782), (3, 6563188), (4, 4922391), (6, 3281594), (12, 1640797), (23, 856068), (46, 428034), (69, 285356), (92, 214017), (138, 142678), (276, 71339)]