18663161

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 22331232

約数和(自身を除く): 3668071

約数列:

[1, 11, 17, 43, 121, 187, 211, 473, 731, 2057, 2321, 3587, 5203, 8041, 9073, 25531, 39457, 88451, 99803, 154241, 434027, 1097833, 1696651, 18663161]

約数ペア:

[(1, 18663161), (11, 1696651), (17, 1097833), (43, 434027), (121, 154241), (187, 99803), (211, 88451), (473, 39457), (731, 25531), (2057, 9073), (2321, 8041), (3587, 5203)]