19805527

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1117}}^1$

素因数の和:1290

約数の個数: 16

約数和(自身を含む): 24148800

約数和(自身を除く): 4343273

約数列:

[1, 7, 17, 119, 149, 1043, 1117, 2533, 7819, 17731, 18989, 132923, 166433, 1165031, 2829361, 19805527]

約数ペア:

[(1, 19805527), (7, 2829361), (17, 1165031), (119, 166433), (149, 132923), (1043, 18989), (1117, 17731), (2533, 7819)]