18090116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2087}}^1$

素因数の和:2299

約数の個数: 24

約数和(自身を含む): 34727616

約数和(自身を除く): 16637500

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2087, 2167, 4174, 4334, 8348, 8668, 22957, 45914, 91828, 411139, 822278, 1644556, 4522529, 9045058, 18090116]

約数ペア:

[(1, 18090116), (2, 9045058), (4, 4522529), (11, 1644556), (22, 822278), (44, 411139), (197, 91828), (394, 45914), (788, 22957), (2087, 8668), (2167, 8348), (4174, 4334)]