19804023

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 30326400

約数和(自身を除く): 10522377

約数列:

[1, 3, 9, 19, 57, 171, 179, 537, 647, 1611, 1941, 3401, 5823, 10203, 12293, 30609, 36879, 110637, 115813, 347439, 1042317, 2200447, 6601341, 19804023]

約数ペア:

[(1, 19804023), (3, 6601341), (9, 2200447), (19, 1042317), (57, 347439), (171, 115813), (179, 110637), (537, 36879), (647, 30609), (1611, 12293), (1941, 10203), (3401, 5823)]