18723661

素因数分解:

${\mathrm{11}}^2\times {\mathrm{271}}^1\times {\mathrm{571}}^1$

素因数の和:864

約数の個数: 12

約数和(自身を含む): 20692672

約数和(自身を除く): 1969011

約数列:

[1, 11, 121, 271, 571, 2981, 6281, 32791, 69091, 154741, 1702151, 18723661]

約数ペア:

[(1, 18723661), (11, 1702151), (121, 154741), (271, 69091), (571, 32791), (2981, 6281)]