19508918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{68213}}^1$

素因数の和:68239

約数の個数: 16

約数和(自身を含む): 34379856

約数和(自身を除く): 14870938

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 68213, 136426, 750343, 886769, 1500686, 1773538, 9754459, 19508918]

約数ペア:

[(1, 19508918), (2, 9754459), (11, 1773538), (13, 1500686), (22, 886769), (26, 750343), (143, 136426), (286, 68213)]