19431657

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:859

約数の個数: 40

約数和(自身を含む): 33988416

約数和(自身を除く): 14556759

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 797, 903, 1161, 2391, 2709, 3483, 5579, 7173, 8127, 16737, 21519, 24381, 34271, 50211, 64557, 102813, 150633, 239897, 308439, 451899, 719691, 925317, 2159073, 2775951, 6477219, 19431657]

約数ペア:

[(1, 19431657), (3, 6477219), (7, 2775951), (9, 2159073), (21, 925317), (27, 719691), (43, 451899), (63, 308439), (81, 239897), (129, 150633), (189, 102813), (301, 64557), (387, 50211), (567, 34271), (797, 24381), (903, 21519), (1161, 16737), (2391, 8127), (2709, 7173), (3483, 5579)]