2078008570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18890987}}^1$

素因数の和:18891005

約数の個数: 16

約数和(自身を含む): 4080453408

約数和(自身を除く): 2002444838

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 18890987, 37781974, 94454935, 188909870, 207800857, 415601714, 1039004285, 2078008570]

約数ペア:

[(1, 2078008570), (2, 1039004285), (5, 415601714), (10, 207800857), (11, 188909870), (22, 94454935), (55, 37781974), (110, 18890987)]