19381708

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{54443}}^1$

素因数の和:54536

約数の個数: 12

約数和(自身を含む): 34299720

約数和(自身を除く): 14918012

約数列:

[1, 2, 4, 89, 178, 356, 54443, 108886, 217772, 4845427, 9690854, 19381708]

約数ペア:

[(1, 19381708), (2, 9690854), (4, 4845427), (89, 217772), (178, 108886), (356, 54443)]