19990184

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{58111}}^1$

素因数の和:58160

約数の個数: 16

約数和(自身を含む): 38353920

約数和(自身を除く): 18363736

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 58111, 116222, 232444, 464888, 2498773, 4997546, 9995092, 19990184]

約数ペア:

[(1, 19990184), (2, 9995092), (4, 4997546), (8, 2498773), (43, 464888), (86, 232444), (172, 116222), (344, 58111)]