19923568

素因数分解:

$2^4\times 7^1\times {\mathrm{177889}}^1$

素因数の和:177904

約数の個数: 20

約数和(自身を含む): 44116720

約数和(自身を除く): 24193152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 177889, 355778, 711556, 1245223, 1423112, 2490446, 2846224, 4980892, 9961784, 19923568]

約数ペア:

[(1, 19923568), (2, 9961784), (4, 4980892), (7, 2846224), (8, 2490446), (14, 1423112), (16, 1245223), (28, 711556), (56, 355778), (112, 177889)]