18684411

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{827}}^1$

素因数の和:1290

約数の個数: 16

約数和(自身を含む): 26469504

約数和(自身を除く): 7785093

約数列:

[1, 3, 17, 51, 443, 827, 1329, 2481, 7531, 14059, 22593, 42177, 366361, 1099083, 6228137, 18684411]

約数ペア:

[(1, 18684411), (3, 6228137), (17, 1099083), (51, 366361), (443, 42177), (827, 22593), (1329, 14059), (2481, 7531)]