19328533

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{443}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 23187456

約数和(自身を除く): 3858923

約数列:

[1, 7, 23, 161, 271, 443, 1897, 3101, 6233, 10189, 43631, 71323, 120053, 840371, 2761219, 19328533]

約数ペア:

[(1, 19328533), (7, 2761219), (23, 840371), (161, 120053), (271, 71323), (443, 43631), (1897, 10189), (3101, 6233)]