2011192731

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{619019}}^1$

素因数の和:619063

約数の個数: 18

約数和(自身を含む): 3066006060

約数和(自身を除く): 1054813329

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 619019, 1857057, 5571171, 11761361, 35284083, 105852249, 223465859, 670397577, 2011192731]

約数ペア:

[(1, 2011192731), (3, 670397577), (9, 223465859), (19, 105852249), (57, 35284083), (171, 11761361), (361, 5571171), (1083, 1857057), (3249, 619019)]