19783912

素因数分解:

$2^3\times {\mathrm{263}}^1\times {\mathrm{9403}}^1$

素因数の和:9672

約数の個数: 16

約数和(自身を含む): 37239840

約数和(自身を除く): 17455928

約数列:

[1, 2, 4, 8, 263, 526, 1052, 2104, 9403, 18806, 37612, 75224, 2472989, 4945978, 9891956, 19783912]

約数ペア:

[(1, 19783912), (2, 9891956), (4, 4945978), (8, 2472989), (263, 75224), (526, 37612), (1052, 18806), (2104, 9403)]