18589543

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 23961600

約数和(自身を除く): 5372057

約数列:

[1, 7, 19, 23, 59, 103, 133, 161, 413, 437, 721, 1121, 1357, 1957, 2369, 3059, 6077, 7847, 9499, 13699, 16583, 25783, 42539, 45011, 115463, 139771, 180481, 315077, 808241, 978397, 2655649, 18589543]

約数ペア:

[(1, 18589543), (7, 2655649), (19, 978397), (23, 808241), (59, 315077), (103, 180481), (133, 139771), (161, 115463), (413, 45011), (437, 42539), (721, 25783), (1121, 16583), (1357, 13699), (1957, 9499), (2369, 7847), (3059, 6077)]