19107319

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10789}}^1$

素因数の和:10830

約数の個数: 16

約数和(自身を含む): 24860160

約数和(自身を除く): 5752841

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 10789, 75523, 118679, 248147, 830753, 1737029, 2729617, 19107319]

約数ペア:

[(1, 19107319), (7, 2729617), (11, 1737029), (23, 830753), (77, 248147), (161, 118679), (253, 75523), (1771, 10789)]