18550147

素因数分解:

$7^1\times {\mathrm{11}}^4\times {\mathrm{181}}^1$

素因数の和:232

約数の個数: 20

約数和(自身を含む): 23448880

約数和(自身を除く): 4898733

約数列:

[1, 7, 11, 77, 121, 181, 847, 1267, 1331, 1991, 9317, 13937, 14641, 21901, 102487, 153307, 240911, 1686377, 2650021, 18550147]

約数ペア:

[(1, 18550147), (7, 2650021), (11, 1686377), (77, 240911), (121, 153307), (181, 102487), (847, 21901), (1267, 14641), (1331, 13937), (1991, 9317)]