19203327

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 33441408

約数和(自身を除く): 14238081

約数列:

[1, 3, 9, 11, 13, 33, 39, 43, 99, 117, 129, 143, 347, 387, 429, 473, 559, 1041, 1287, 1419, 1677, 3123, 3817, 4257, 4511, 5031, 6149, 11451, 13533, 14921, 18447, 34353, 40599, 44763, 49621, 55341, 134289, 148863, 164131, 193973, 446589, 492393, 581919, 1477179, 1745757, 2133703, 6401109, 19203327]

約数ペア:

[(1, 19203327), (3, 6401109), (9, 2133703), (11, 1745757), (13, 1477179), (33, 581919), (39, 492393), (43, 446589), (99, 193973), (117, 164131), (129, 148863), (143, 134289), (347, 55341), (387, 49621), (429, 44763), (473, 40599), (559, 34353), (1041, 18447), (1287, 14921), (1419, 13533), (1677, 11451), (3123, 6149), (3817, 5031), (4257, 4511)]