19940684

素因数分解:

$2^2\times {\mathrm{1117}}^1\times {\mathrm{4463}}^1$

素因数の和:5584

約数の個数: 12

約数和(自身を含む): 34935264

約数和(自身を除く): 14994580

約数列:

[1, 2, 4, 1117, 2234, 4463, 4468, 8926, 17852, 4985171, 9970342, 19940684]

約数ペア:

[(1, 19940684), (2, 9970342), (4, 4985171), (1117, 17852), (2234, 8926), (4463, 4468)]