19749393

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{2531}}^1$

素因数の和:2574

約数の個数: 24

約数和(自身を含む): 31092960

約数和(自身を除く): 11343567

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2531, 2601, 7593, 7803, 22779, 43027, 68337, 129081, 387243, 731459, 1161729, 2194377, 6583131, 19749393]

約数ペア:

[(1, 19749393), (3, 6583131), (9, 2194377), (17, 1161729), (27, 731459), (51, 387243), (153, 129081), (289, 68337), (459, 43027), (867, 22779), (2531, 7803), (2601, 7593)]