13019237

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 17236800

約数和(自身を除く): 4217563

約数列:

[1, 7, 11, 19, 77, 121, 133, 209, 809, 847, 1463, 2299, 5663, 8899, 15371, 16093, 62293, 97889, 107597, 169081, 685223, 1183567, 1859891, 13019237]

約数ペア:

[(1, 13019237), (7, 1859891), (11, 1183567), (19, 685223), (77, 169081), (121, 107597), (133, 97889), (209, 62293), (809, 16093), (847, 15371), (1463, 8899), (2299, 5663)]