19439824

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{2819}}^1$

素因数の和:3258

約数の個数: 20

約数和(自身を含む): 37765440

約数和(自身を除く): 18325616

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 2819, 3448, 5638, 6896, 11276, 22552, 45104, 1214989, 2429978, 4859956, 9719912, 19439824]

約数ペア:

[(1, 19439824), (2, 9719912), (4, 4859956), (8, 2429978), (16, 1214989), (431, 45104), (862, 22552), (1724, 11276), (2819, 6896), (3448, 5638)]