2019947839

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{363889}}^1$

素因数の和:363970

約数の個数: 16

約数和(自身を含む): 2526852160

約数和(自身を除く): 506904321

約数列:

[1, 7, 13, 61, 91, 427, 793, 5551, 363889, 2547223, 4730557, 22197229, 33113899, 155380603, 288563977, 2019947839]

約数ペア:

[(1, 2019947839), (7, 288563977), (13, 155380603), (61, 33113899), (91, 22197229), (427, 4730557), (793, 2547223), (5551, 363889)]