18218228

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{6317}}^1$

素因数の和:6431

約数の個数: 24

約数和(自身を含む): 36796032

約数和(自身を除く): 18577804

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 6317, 12634, 25268, 44219, 88438, 176876, 650651, 1301302, 2602604, 4554557, 9109114, 18218228]

約数ペア:

[(1, 18218228), (2, 9109114), (4, 4554557), (7, 2602604), (14, 1301302), (28, 650651), (103, 176876), (206, 88438), (412, 44219), (721, 25268), (1442, 12634), (2884, 6317)]