18072439

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1123}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 23918720

約数和(自身を除く): 5846281

約数列:

[1, 7, 11, 19, 77, 121, 133, 209, 847, 1123, 1463, 2299, 7861, 12353, 16093, 21337, 86471, 135883, 149359, 234707, 951181, 1642949, 2581777, 18072439]

約数ペア:

[(1, 18072439), (7, 2581777), (11, 1642949), (19, 951181), (77, 234707), (121, 149359), (133, 135883), (209, 86471), (847, 21337), (1123, 16093), (1463, 12353), (2299, 7861)]