19942286

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 39782400

約数和(自身を除く): 19840114

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 73, 79, 91, 133, 146, 158, 182, 247, 266, 494, 511, 553, 949, 1022, 1027, 1106, 1387, 1501, 1729, 1898, 2054, 2774, 3002, 3458, 5767, 6643, 7189, 9709, 10507, 11534, 13286, 14378, 18031, 19418, 19513, 21014, 36062, 39026, 40369, 74971, 80738, 109573, 126217, 136591, 149942, 219146, 252434, 273182, 524797, 767011, 1049594, 1424449, 1534022, 2848898, 9971143, 19942286]

約数ペア:

[(1, 19942286), (2, 9971143), (7, 2848898), (13, 1534022), (14, 1424449), (19, 1049594), (26, 767011), (38, 524797), (73, 273182), (79, 252434), (91, 219146), (133, 149942), (146, 136591), (158, 126217), (182, 109573), (247, 80738), (266, 74971), (494, 40369), (511, 39026), (553, 36062), (949, 21014), (1022, 19513), (1027, 19418), (1106, 18031), (1387, 14378), (1501, 13286), (1729, 11534), (1898, 10507), (2054, 9709), (2774, 7189), (3002, 6643), (3458, 5767)]