19798962851

素因数分解:

${\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{971}}^1\times {\mathrm{5021}}^1$

素因数の和:6154

約数の個数: 16

約数和(自身を含む): 20618966016

約数和(自身を除く): 820003165

約数列:

[1, 31, 131, 971, 4061, 5021, 30101, 127201, 155651, 657751, 3943231, 4875391, 20390281, 151137121, 638676221, 19798962851]

約数ペア:

[(1, 19798962851), (31, 638676221), (131, 151137121), (971, 20390281), (4061, 4875391), (5021, 3943231), (30101, 657751), (127201, 155651)]