19377787

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 23356928

約数和(自身を除く): 3979141

約数列:

[1, 11, 13, 97, 121, 127, 143, 1067, 1261, 1397, 1573, 1651, 11737, 12319, 13871, 15367, 18161, 135509, 152581, 160147, 199771, 1490599, 1761617, 19377787]

約数ペア:

[(1, 19377787), (11, 1761617), (13, 1490599), (97, 199771), (121, 160147), (127, 152581), (143, 135509), (1067, 18161), (1261, 15367), (1397, 13871), (1573, 12319), (1651, 11737)]