19486313

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11003}}^1$

素因数の和:11044

約数の個数: 16

約数和(自身を含む): 25353216

約数和(自身を除く): 5866903

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11003, 77021, 121033, 253069, 847231, 1771483, 2783759, 19486313]

約数ペア:

[(1, 19486313), (7, 2783759), (11, 1771483), (23, 847231), (77, 253069), (161, 121033), (253, 77021), (1771, 11003)]