18190175

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 23409216

約数和(自身を除く): 5219041

約数列:

[1, 5, 25, 47, 113, 137, 235, 565, 685, 1175, 2825, 3425, 5311, 6439, 15481, 26555, 32195, 77405, 132775, 160975, 387025, 727607, 3638035, 18190175]

約数ペア:

[(1, 18190175), (5, 3638035), (25, 727607), (47, 387025), (113, 160975), (137, 132775), (235, 77405), (565, 32195), (685, 26555), (1175, 15481), (2825, 6439), (3425, 5311)]