20185191891

素因数分解:

$3^2\times {\mathrm{197}}^1\times {\mathrm{911}}^1\times {\mathrm{12497}}^1$

素因数の和:13611

約数の個数: 24

約数和(自身を含む): 29338905024

約数和(自身を除く): 9153713133

約数列:

[1, 3, 9, 197, 591, 911, 1773, 2733, 8199, 12497, 37491, 112473, 179467, 538401, 1615203, 2461909, 7385727, 11384767, 22157181, 34154301, 102462903, 2242799099, 6728397297, 20185191891]

約数ペア:

[(1, 20185191891), (3, 6728397297), (9, 2242799099), (197, 102462903), (591, 34154301), (911, 22157181), (1773, 11384767), (2733, 7385727), (8199, 2461909), (12497, 1615203), (37491, 538401), (112473, 179467)]