201912219

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 312998400

約数和(自身を除く): 111086181

約数列:

[1, 3, 9, 37, 43, 59, 111, 129, 177, 239, 333, 387, 531, 717, 1591, 2151, 2183, 2537, 4773, 6549, 7611, 8843, 10277, 14101, 14319, 19647, 22833, 26529, 30831, 42303, 79587, 92493, 93869, 126909, 281607, 380249, 521737, 606343, 844821, 1140747, 1565211, 1819029, 3422241, 4695633, 5457087, 22434691, 67304073, 201912219]

約数ペア:

[(1, 201912219), (3, 67304073), (9, 22434691), (37, 5457087), (43, 4695633), (59, 3422241), (111, 1819029), (129, 1565211), (177, 1140747), (239, 844821), (333, 606343), (387, 521737), (531, 380249), (717, 281607), (1591, 126909), (2151, 93869), (2183, 92493), (2537, 79587), (4773, 42303), (6549, 30831), (7611, 26529), (8843, 22833), (10277, 19647), (14101, 14319)]