201205516

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{139339}}^1$

素因数の和:139381

約数の個数: 18

約数和(自身を含む): 371619780

約数和(自身を除く): 170414264

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 139339, 278678, 557356, 2647441, 5294882, 10589764, 50301379, 100602758, 201205516]

約数ペア:

[(1, 201205516), (2, 100602758), (4, 50301379), (19, 10589764), (38, 5294882), (76, 2647441), (361, 557356), (722, 278678), (1444, 139339)]