19756503

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1289}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 30990960

約数和(自身を除く): 11234457

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1289, 1703, 3867, 5109, 11601, 15327, 16757, 50271, 150813, 168859, 506577, 1519731, 2195167, 6585501, 19756503]

約数ペア:

[(1, 19756503), (3, 6585501), (9, 2195167), (13, 1519731), (39, 506577), (117, 168859), (131, 150813), (393, 50271), (1179, 16757), (1289, 15327), (1703, 11601), (3867, 5109)]