19946774

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{2617}}^1$

素因数の和:2759

約数の個数: 16

約数和(自身を含む): 31039008

約数和(自身を除く): 11092234

約数列:

[1, 2, 37, 74, 103, 206, 2617, 3811, 5234, 7622, 96829, 193658, 269551, 539102, 9973387, 19946774]

約数ペア:

[(1, 19946774), (2, 9973387), (37, 539102), (74, 269551), (103, 193658), (206, 96829), (2617, 7622), (3811, 5234)]