19811928

素因数分解:

$2^3\times 3^1\times {\mathrm{881}}^1\times {\mathrm{937}}^1$

素因数の和:1827

約数の個数: 32

約数和(自身を含む): 49638960

約数和(自身を除く): 29827032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 881, 937, 1762, 1874, 2643, 2811, 3524, 3748, 5286, 5622, 7048, 7496, 10572, 11244, 21144, 22488, 825497, 1650994, 2476491, 3301988, 4952982, 6603976, 9905964, 19811928]

約数ペア:

[(1, 19811928), (2, 9905964), (3, 6603976), (4, 4952982), (6, 3301988), (8, 2476491), (12, 1650994), (24, 825497), (881, 22488), (937, 21144), (1762, 11244), (1874, 10572), (2643, 7496), (2811, 7048), (3524, 5622), (3748, 5286)]