19939556

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54779}}^1$

素因数の和:54803

約数の個数: 24

約数和(自身を含む): 42947520

約数和(自身を除く): 23007964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 54779, 109558, 219116, 383453, 712127, 766906, 1424254, 1533812, 2848508, 4984889, 9969778, 19939556]

約数ペア:

[(1, 19939556), (2, 9969778), (4, 4984889), (7, 2848508), (13, 1533812), (14, 1424254), (26, 766906), (28, 712127), (52, 383453), (91, 219116), (182, 109558), (364, 54779)]