2019291205

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{54421}}^1$

素因数の和:54648

約数の個数: 16

約数和(自身を含む): 2496010608

約数和(自身を除く): 476719403

約数列:

[1, 5, 41, 181, 205, 905, 7421, 37105, 54421, 272105, 2231261, 9850201, 11156305, 49251005, 403858241, 2019291205]

約数ペア:

[(1, 2019291205), (5, 403858241), (41, 49251005), (181, 11156305), (205, 9850201), (905, 2231261), (7421, 272105), (37105, 54421)]