19220816

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5387}}^1$

素因数の和:5618

約数の個数: 20

約数和(自身を含む): 37414272

約数和(自身を除く): 18193456

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5387, 10774, 21548, 43096, 86192, 1201301, 2402602, 4805204, 9610408, 19220816]

約数ペア:

[(1, 19220816), (2, 9610408), (4, 4805204), (8, 2402602), (16, 1201301), (223, 86192), (446, 43096), (892, 21548), (1784, 10774), (3568, 5387)]