18943771

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{709}}^1$

素因数の和:1074

約数の個数: 16

約数和(自身を含む): 23719680

約数和(自身を除く): 4775909

約数列:

[1, 7, 11, 77, 347, 709, 2429, 3817, 4963, 7799, 26719, 54593, 246023, 1722161, 2706253, 18943771]

約数ペア:

[(1, 18943771), (7, 2706253), (11, 1722161), (77, 246023), (347, 54593), (709, 26719), (2429, 7799), (3817, 4963)]