18921392

素因数分解:

$2^4\times 7^1\times {\mathrm{241}}^1\times {\mathrm{701}}^1$

素因数の和:957

約数の個数: 40

約数和(自身を含む): 42131232

約数和(自身を除く): 23209840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 241, 482, 701, 964, 1402, 1687, 1928, 2804, 3374, 3856, 4907, 5608, 6748, 9814, 11216, 13496, 19628, 26992, 39256, 78512, 168941, 337882, 675764, 1182587, 1351528, 2365174, 2703056, 4730348, 9460696, 18921392]

約数ペア:

[(1, 18921392), (2, 9460696), (4, 4730348), (7, 2703056), (8, 2365174), (14, 1351528), (16, 1182587), (28, 675764), (56, 337882), (112, 168941), (241, 78512), (482, 39256), (701, 26992), (964, 19628), (1402, 13496), (1687, 11216), (1928, 9814), (2804, 6748), (3374, 5608), (3856, 4907)]