15864976

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{2549}}^1$

素因数の和:2946

約数の個数: 20

約数和(自身を含む): 30829500

約数和(自身を除く): 14964524

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 2549, 3112, 5098, 6224, 10196, 20392, 40784, 991561, 1983122, 3966244, 7932488, 15864976]

約数ペア:

[(1, 15864976), (2, 7932488), (4, 3966244), (8, 1983122), (16, 991561), (389, 40784), (778, 20392), (1556, 10196), (2549, 6224), (3112, 5098)]