18824368

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27361}}^1$

素因数の和:27412

約数の個数: 20

約数和(自身を含む): 37321768

約数和(自身を除く): 18497400

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27361, 54722, 109444, 218888, 437776, 1176523, 2353046, 4706092, 9412184, 18824368]

約数ペア:

[(1, 18824368), (2, 9412184), (4, 4706092), (8, 2353046), (16, 1176523), (43, 437776), (86, 218888), (172, 109444), (344, 54722), (688, 27361)]