9197780

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2311}}^1$

素因数の和:2519

約数の個数: 24

約数和(自身を含む): 19420800

約数和(自身を除く): 10223020

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 2311, 3980, 4622, 9244, 11555, 23110, 46220, 459889, 919778, 1839556, 2299445, 4598890, 9197780]

約数ペア:

[(1, 9197780), (2, 4598890), (4, 2299445), (5, 1839556), (10, 919778), (20, 459889), (199, 46220), (398, 23110), (796, 11555), (995, 9244), (1990, 4622), (2311, 3980)]