19847366

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128879}}^1$

素因数の和:128899

約数の個数: 16

約数和(自身を含む): 37117440

約数和(自身を除く): 17270074

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 128879, 257758, 902153, 1417669, 1804306, 2835338, 9923683, 19847366]

約数ペア:

[(1, 19847366), (2, 9923683), (7, 2835338), (11, 1804306), (14, 1417669), (22, 902153), (77, 257758), (154, 128879)]