18545121

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15493}}^1$

素因数の和:15525

約数の個数: 24

約数和(自身を含む): 32227520

約数和(自身を除く): 13682399

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15493, 46479, 108451, 139437, 294367, 325353, 883101, 976059, 2060569, 2649303, 6181707, 18545121]

約数ペア:

[(1, 18545121), (3, 6181707), (7, 2649303), (9, 2060569), (19, 976059), (21, 883101), (57, 325353), (63, 294367), (133, 139437), (171, 108451), (399, 46479), (1197, 15493)]