18519560

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4327}}^1$

素因数の和:4445

約数の個数: 32

約数和(自身を含む): 42068160

約数和(自身を除く): 23548600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4327, 8654, 17308, 21635, 34616, 43270, 86540, 173080, 462989, 925978, 1851956, 2314945, 3703912, 4629890, 9259780, 18519560]

約数ペア:

[(1, 18519560), (2, 9259780), (4, 4629890), (5, 3703912), (8, 2314945), (10, 1851956), (20, 925978), (40, 462989), (107, 173080), (214, 86540), (428, 43270), (535, 34616), (856, 21635), (1070, 17308), (2140, 8654), (4280, 4327)]