19799021

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:736

約数の個数: 16

約数和(自身を含む): 22740480

約数和(自身を除く): 2941459

約数列:

[1, 11, 23, 139, 253, 563, 1529, 3197, 6193, 12949, 35167, 78257, 142439, 860827, 1799911, 19799021]

約数ペア:

[(1, 19799021), (11, 1799911), (23, 860827), (139, 142439), (253, 78257), (563, 35167), (1529, 12949), (3197, 6193)]