19904184

素因数分解:

$2^3\times 3^3\times {\mathrm{43}}^1\times {\mathrm{2143}}^1$

素因数の和:2201

約数の個数: 64

約数和(自身を含む): 56601600

約数和(自身を除く): 36697416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 86, 108, 129, 172, 216, 258, 344, 387, 516, 774, 1032, 1161, 1548, 2143, 2322, 3096, 4286, 4644, 6429, 8572, 9288, 12858, 17144, 19287, 25716, 38574, 51432, 57861, 77148, 92149, 115722, 154296, 184298, 231444, 276447, 368596, 462888, 552894, 737192, 829341, 1105788, 1658682, 2211576, 2488023, 3317364, 4976046, 6634728, 9952092, 19904184]

約数ペア:

[(1, 19904184), (2, 9952092), (3, 6634728), (4, 4976046), (6, 3317364), (8, 2488023), (9, 2211576), (12, 1658682), (18, 1105788), (24, 829341), (27, 737192), (36, 552894), (43, 462888), (54, 368596), (72, 276447), (86, 231444), (108, 184298), (129, 154296), (172, 115722), (216, 92149), (258, 77148), (344, 57861), (387, 51432), (516, 38574), (774, 25716), (1032, 19287), (1161, 17144), (1548, 12858), (2143, 9288), (2322, 8572), (3096, 6429), (4286, 4644)]