19510768

素因数分解:

$2^4\times {\mathrm{883}}^1\times {\mathrm{1381}}^1$

素因数の和:2272

約数の個数: 20

約数和(自身を含む): 37872328

約数和(自身を除く): 18361560

約数列:

[1, 2, 4, 8, 16, 883, 1381, 1766, 2762, 3532, 5524, 7064, 11048, 14128, 22096, 1219423, 2438846, 4877692, 9755384, 19510768]

約数ペア:

[(1, 19510768), (2, 9755384), (4, 4877692), (8, 2438846), (16, 1219423), (883, 22096), (1381, 14128), (1766, 11048), (2762, 7064), (3532, 5524)]