18203713

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 20547072

約数和(自身を除く): 2343359

約数列:

[1, 11, 41, 181, 223, 451, 1991, 2453, 7421, 9143, 40363, 81631, 100573, 443993, 1654883, 18203713]

約数ペア:

[(1, 18203713), (11, 1654883), (41, 443993), (181, 100573), (223, 81631), (451, 40363), (1991, 9143), (2453, 7421)]