19906565

素因数分解:

$5^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{937}}^1$

素因数の和:1556

約数の個数: 16

約数和(自身を含む): 27374592

約数和(自身を除く): 7468027

約数列:

[1, 5, 7, 35, 607, 937, 3035, 4249, 4685, 6559, 21245, 32795, 568759, 2843795, 3981313, 19906565]

約数ペア:

[(1, 19906565), (5, 3981313), (7, 2843795), (35, 568759), (607, 32795), (937, 21245), (3035, 6559), (4249, 4685)]