19222918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67213}}^1$

素因数の和:67239

約数の個数: 16

約数和(自身を含む): 33875856

約数和(自身を除く): 14652938

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 67213, 134426, 739343, 873769, 1478686, 1747538, 9611459, 19222918]

約数ペア:

[(1, 19222918), (2, 9611459), (11, 1747538), (13, 1478686), (22, 873769), (26, 739343), (143, 134426), (286, 67213)]