18837940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85627}}^1$

素因数の和:85647

約数の個数: 24

約数和(自身を含む): 43156512

約数和(自身を除く): 24318572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85627, 171254, 342508, 428135, 856270, 941897, 1712540, 1883794, 3767588, 4709485, 9418970, 18837940]

約数ペア:

[(1, 18837940), (2, 9418970), (4, 4709485), (5, 3767588), (10, 1883794), (11, 1712540), (20, 941897), (22, 856270), (44, 428135), (55, 342508), (110, 171254), (220, 85627)]