19710262

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{68917}}^1$

素因数の和:68943

約数の個数: 16

約数和(自身を含む): 34734672

約数和(自身を除く): 15024410

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 68917, 137834, 758087, 895921, 1516174, 1791842, 9855131, 19710262]

約数ペア:

[(1, 19710262), (2, 9855131), (11, 1791842), (13, 1516174), (22, 895921), (26, 758087), (143, 137834), (286, 68917)]