2019428540

素因数分解:

$2^2\times 5^1\times {\mathrm{100971427}}^1$

素因数の和:100971436

約数の個数: 12

約数和(自身を含む): 4240799976

約数和(自身を除く): 2221371436

約数列:

[1, 2, 4, 5, 10, 20, 100971427, 201942854, 403885708, 504857135, 1009714270, 2019428540]

約数ペア:

[(1, 2019428540), (2, 1009714270), (4, 504857135), (5, 403885708), (10, 201942854), (20, 100971427)]