19993142405

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{557611}}^1$

素因数の和:557788

約数の個数: 16

約数和(自身を含む): 24570615168

約数和(自身を除く): 4577472763

約数列:

[1, 5, 71, 101, 355, 505, 7171, 35855, 557611, 2788055, 39590381, 56318711, 197951905, 281593555, 3998628481, 19993142405]

約数ペア:

[(1, 19993142405), (5, 3998628481), (71, 281593555), (101, 197951905), (355, 56318711), (505, 39590381), (7171, 2788055), (35855, 557611)]