19109307543

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^2\times {\mathrm{21503}}^1$

素因数の和:21715

約数の個数: 24

約数和(自身を含む): 26390740992

約数和(自身を除く): 7281433449

約数列:

[1, 3, 43, 83, 129, 249, 3569, 6889, 10707, 20667, 21503, 64509, 296227, 888681, 924629, 1784749, 2773887, 5354247, 76744207, 148134167, 230232621, 444402501, 6369769181, 19109307543]

約数ペア:

[(1, 19109307543), (3, 6369769181), (43, 444402501), (83, 230232621), (129, 148134167), (249, 76744207), (3569, 5354247), (6889, 2773887), (10707, 1784749), (20667, 924629), (21503, 888681), (64509, 296227)]