1850870020

素因数分解:

$2^2\times 5^1\times {\mathrm{8423}}^1\times {\mathrm{10987}}^1$

素因数の和:19419

約数の個数: 24

約数和(自身を含む): 3887642304

約数和(自身を除く): 2036772284

約数列:

[1, 2, 4, 5, 10, 20, 8423, 10987, 16846, 21974, 33692, 42115, 43948, 54935, 84230, 109870, 168460, 219740, 92543501, 185087002, 370174004, 462717505, 925435010, 1850870020]

約数ペア:

[(1, 1850870020), (2, 925435010), (4, 462717505), (5, 370174004), (10, 185087002), (20, 92543501), (8423, 219740), (10987, 168460), (16846, 109870), (21974, 84230), (33692, 54935), (42115, 43948)]