18730019

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{701}}^1$

素因数の和:1066

約数の個数: 16

約数和(自身を含む): 23452416

約数和(自身を除く): 4722397

約数列:

[1, 7, 11, 77, 347, 701, 2429, 3817, 4907, 7711, 26719, 53977, 243247, 1702729, 2675717, 18730019]

約数ペア:

[(1, 18730019), (7, 2675717), (11, 1702729), (77, 243247), (347, 53977), (701, 26719), (2429, 7711), (3817, 4907)]