19650521

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 23528232

約数和(自身を除く): 3877711

約数列:

[1, 11, 17, 41, 121, 187, 233, 451, 697, 2057, 2563, 3961, 4961, 7667, 9553, 28193, 43571, 84337, 105083, 162401, 479281, 1155913, 1786411, 19650521]

約数ペア:

[(1, 19650521), (11, 1786411), (17, 1155913), (41, 479281), (121, 162401), (187, 105083), (233, 84337), (451, 43571), (697, 28193), (2057, 9553), (2563, 7667), (3961, 4961)]