18779046

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 26459994

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 43, 66, 78, 86, 129, 143, 258, 286, 429, 473, 509, 559, 858, 946, 1018, 1118, 1419, 1527, 1677, 2838, 3054, 3354, 5599, 6149, 6617, 11198, 12298, 13234, 16797, 18447, 19851, 21887, 33594, 36894, 39702, 43774, 65661, 72787, 131322, 145574, 218361, 240757, 284531, 436722, 481514, 569062, 722271, 853593, 1444542, 1707186, 3129841, 6259682, 9389523, 18779046]

約数ペア:

[(1, 18779046), (2, 9389523), (3, 6259682), (6, 3129841), (11, 1707186), (13, 1444542), (22, 853593), (26, 722271), (33, 569062), (39, 481514), (43, 436722), (66, 284531), (78, 240757), (86, 218361), (129, 145574), (143, 131322), (258, 72787), (286, 65661), (429, 43774), (473, 39702), (509, 36894), (559, 33594), (858, 21887), (946, 19851), (1018, 18447), (1118, 16797), (1419, 13234), (1527, 12298), (1677, 11198), (2838, 6617), (3054, 6149), (3354, 5599)]