19856606

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128939}}^1$

素因数の和:128959

約数の個数: 16

約数和(自身を含む): 37134720

約数和(自身を除く): 17278114

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 128939, 257878, 902573, 1418329, 1805146, 2836658, 9928303, 19856606]

約数ペア:

[(1, 19856606), (2, 9928303), (7, 2836658), (11, 1805146), (14, 1418329), (22, 902573), (77, 257878), (154, 128939)]