18122321

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3631}}^1$

素因数の和:3692

約数の個数: 16

約数和(自身を含む): 22315008

約数和(自身を除く): 4192687

約数列:

[1, 7, 23, 31, 161, 217, 713, 3631, 4991, 25417, 83513, 112561, 584591, 787927, 2588903, 18122321]

約数ペア:

[(1, 18122321), (7, 2588903), (23, 787927), (31, 584591), (161, 112561), (217, 83513), (713, 25417), (3631, 4991)]