18867996886

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{11657}}^1\times {\mathrm{19739}}^1$

素因数の和:31439

約数の個数: 16

約数和(自身を含む): 28996243920

約数和(自身を除く): 10128247034

約数列:

[1, 2, 41, 82, 11657, 19739, 23314, 39478, 477937, 809299, 955874, 1618598, 230097523, 460195046, 9433998443, 18867996886]

約数ペア:

[(1, 18867996886), (2, 9433998443), (41, 460195046), (82, 230097523), (11657, 1618598), (19739, 955874), (23314, 809299), (39478, 477937)]