19390136

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{9431}}^1$

素因数の和:9694

約数の個数: 16

約数和(自身を含む): 36501840

約数和(自身を除く): 17111704

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 9431, 18862, 37724, 75448, 2423767, 4847534, 9695068, 19390136]

約数ペア:

[(1, 19390136), (2, 9695068), (4, 4847534), (8, 2423767), (257, 75448), (514, 37724), (1028, 18862), (2056, 9431)]