19679452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{1123}}^1$

素因数の和:1477

約数の個数: 24

約数和(自身を含む): 37231376

約数和(自身を除く): 17551924

約数列:

[1, 2, 4, 13, 26, 52, 337, 674, 1123, 1348, 2246, 4381, 4492, 8762, 14599, 17524, 29198, 58396, 378451, 756902, 1513804, 4919863, 9839726, 19679452]

約数ペア:

[(1, 19679452), (2, 9839726), (4, 4919863), (13, 1513804), (26, 756902), (52, 378451), (337, 58396), (674, 29198), (1123, 17524), (1348, 14599), (2246, 8762), (4381, 4492)]