19767956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12263}}^1$

素因数の和:12311

約数の個数: 24

約数和(自身を含む): 38459904

約数和(自身を除く): 18691948

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12263, 24526, 49052, 159419, 318838, 380153, 637676, 760306, 1520612, 4941989, 9883978, 19767956]

約数ペア:

[(1, 19767956), (2, 9883978), (4, 4941989), (13, 1520612), (26, 760306), (31, 637676), (52, 380153), (62, 318838), (124, 159419), (403, 49052), (806, 24526), (1612, 12263)]