19690147169

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{107}}^1\times {\mathrm{19751}}^1$

素因数の和:19898

約数の個数: 32

約数和(自身を含む): 24984225792

約数和(自身を除く): 5294078623

約数列:

[1, 7, 11, 77, 107, 121, 749, 847, 1177, 1331, 8239, 9317, 12947, 19751, 90629, 138257, 142417, 217261, 996919, 1520827, 2113357, 2389871, 14793499, 16729097, 23246927, 26288581, 162728489, 184020067, 255716197, 1790013379, 2812878167, 19690147169]

約数ペア:

[(1, 19690147169), (7, 2812878167), (11, 1790013379), (77, 255716197), (107, 184020067), (121, 162728489), (749, 26288581), (847, 23246927), (1177, 16729097), (1331, 14793499), (8239, 2389871), (9317, 2113357), (12947, 1520827), (19751, 996919), (90629, 217261), (138257, 142417)]