2019912831

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{883}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 3130972416

約数和(自身を除く): 1111059585

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 257, 387, 771, 883, 989, 2313, 2649, 2967, 5911, 7947, 8901, 11051, 17733, 20309, 33153, 37969, 53199, 60927, 99459, 113907, 182781, 226931, 254173, 341721, 680793, 762519, 873287, 2042379, 2287557, 2619861, 5219413, 7859583, 9758033, 15658239, 29274099, 46974717, 87822297, 224434759, 673304277, 2019912831]

約数ペア:

[(1, 2019912831), (3, 673304277), (9, 224434759), (23, 87822297), (43, 46974717), (69, 29274099), (129, 15658239), (207, 9758033), (257, 7859583), (387, 5219413), (771, 2619861), (883, 2287557), (989, 2042379), (2313, 873287), (2649, 762519), (2967, 680793), (5911, 341721), (7947, 254173), (8901, 226931), (11051, 182781), (17733, 113907), (20309, 99459), (33153, 60927), (37969, 53199)]