19961331

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11903}}^1$

素因数の和:11962

約数の個数: 16

約数和(自身を含む): 29331456

約数和(自身を除く): 9370125

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 11903, 35709, 154739, 464217, 511829, 1535487, 6653777, 19961331]

約数ペア:

[(1, 19961331), (3, 6653777), (13, 1535487), (39, 511829), (43, 464217), (129, 154739), (559, 35709), (1677, 11903)]