18913037

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6961}}^1$

素因数の和:7004

約数の個数: 16

約数和(自身を含む): 23392320

約数和(自身を除く): 4479283

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 6961, 76571, 90493, 132259, 995423, 1454849, 1719367, 18913037]

約数ペア:

[(1, 18913037), (11, 1719367), (13, 1454849), (19, 995423), (143, 132259), (209, 90493), (247, 76571), (2717, 6961)]