18805972945

素因数分解:

$5^1\times {\mathrm{251}}^1\times {\mathrm{1871}}^1\times {\mathrm{8009}}^1$

素因数の和:10136

約数の個数: 16

約数和(自身を含む): 22672016640

約数和(自身を除く): 3866043695

約数列:

[1, 5, 251, 1255, 1871, 8009, 9355, 40045, 469621, 2010259, 2348105, 10051295, 14984839, 74924195, 3761194589, 18805972945]

約数ペア:

[(1, 18805972945), (5, 3761194589), (251, 74924195), (1255, 14984839), (1871, 10051295), (8009, 2348105), (9355, 2010259), (40045, 469621)]