19707795

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4093}}^1$

素因数の和:4211

約数の個数: 24

約数和(自身を含む): 34487856

約数和(自身を除く): 14780061

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4093, 4815, 12279, 20465, 36837, 61395, 184185, 437951, 1313853, 2189755, 3941559, 6569265, 19707795]

約数ペア:

[(1, 19707795), (3, 6569265), (5, 3941559), (9, 2189755), (15, 1313853), (45, 437951), (107, 184185), (321, 61395), (535, 36837), (963, 20465), (1605, 12279), (4093, 4815)]