19045940

素因数分解:

$2^2\times 5^1\times {\mathrm{952297}}^1$

素因数の和:952306

約数の個数: 12

約数和(自身を含む): 39996516

約数和(自身を除く): 20950576

約数列:

[1, 2, 4, 5, 10, 20, 952297, 1904594, 3809188, 4761485, 9522970, 19045940]

約数ペア:

[(1, 19045940), (2, 9522970), (4, 4761485), (5, 3809188), (10, 1904594), (20, 952297)]