19871824

素因数分解:

$2^4\times 7^1\times {\mathrm{177427}}^1$

素因数の和:177442

約数の個数: 20

約数和(自身を含む): 44002144

約数和(自身を除く): 24130320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 177427, 354854, 709708, 1241989, 1419416, 2483978, 2838832, 4967956, 9935912, 19871824]

約数ペア:

[(1, 19871824), (2, 9935912), (4, 4967956), (7, 2838832), (8, 2483978), (14, 1419416), (16, 1241989), (28, 709708), (56, 354854), (112, 177427)]