2018221820

素因数分解:

$2^2\times 5^1\times {\mathrm{9941}}^1\times {\mathrm{10151}}^1$

素因数の和:20101

約数の個数: 24

約数和(自身を含む): 4239109728

約数和(自身を除く): 2220887908

約数列:

[1, 2, 4, 5, 10, 20, 9941, 10151, 19882, 20302, 39764, 40604, 49705, 50755, 99410, 101510, 198820, 203020, 100911091, 201822182, 403644364, 504555455, 1009110910, 2018221820]

約数ペア:

[(1, 2018221820), (2, 1009110910), (4, 504555455), (5, 403644364), (10, 201822182), (20, 100911091), (9941, 203020), (10151, 198820), (19882, 101510), (20302, 99410), (39764, 50755), (40604, 49705)]