19418721

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{9533}}^1$

素因数の和:9640

約数の個数: 16

約数和(自身を含む): 29898624

約数和(自身を除く): 10479903

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 9533, 28599, 66731, 200193, 924701, 2774103, 6472907, 19418721]

約数ペア:

[(1, 19418721), (3, 6472907), (7, 2774103), (21, 924701), (97, 200193), (291, 66731), (679, 28599), (2037, 9533)]