18804907881

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{359}}^1\times {\mathrm{123833}}^1$

素因数の和:124245

約数の個数: 24

約数和(自身を含む): 27818069760

約数和(自身を除く): 9013161879

約数列:

[1, 3, 9, 47, 141, 359, 423, 1077, 3231, 16873, 50619, 123833, 151857, 371499, 1114497, 5820151, 17460453, 44456047, 52381359, 133368141, 400104423, 2089434209, 6268302627, 18804907881]

約数ペア:

[(1, 18804907881), (3, 6268302627), (9, 2089434209), (47, 400104423), (141, 133368141), (359, 52381359), (423, 44456047), (1077, 17460453), (3231, 5820151), (16873, 1114497), (50619, 371499), (123833, 151857)]