19884891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{6143}}^1$

素因数の和:6242

約数の個数: 16

約数和(自身を含む): 28901376

約数和(自身を除く): 9016485

約数列:

[1, 3, 13, 39, 83, 249, 1079, 3237, 6143, 18429, 79859, 239577, 509869, 1529607, 6628297, 19884891]

約数ペア:

[(1, 19884891), (3, 6628297), (13, 1529607), (39, 509869), (83, 239577), (249, 79859), (1079, 18429), (3237, 6143)]