19292020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87691}}^1$

素因数の和:87711

約数の個数: 24

約数和(自身を含む): 44196768

約数和(自身を除く): 24904748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 87691, 175382, 350764, 438455, 876910, 964601, 1753820, 1929202, 3858404, 4823005, 9646010, 19292020]

約数ペア:

[(1, 19292020), (2, 9646010), (4, 4823005), (5, 3858404), (10, 1929202), (11, 1753820), (20, 964601), (22, 876910), (44, 438455), (55, 350764), (110, 175382), (220, 87691)]