2489195548

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4678939}}^1$

素因数の和:4678969

約数の個数: 24

約数和(自身を含む): 5240412800

約数和(自身を除く): 2751217252

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 4678939, 9357878, 18715756, 32752573, 65505146, 88899841, 131010292, 177799682, 355599364, 622298887, 1244597774, 2489195548]

約数ペア:

[(1, 2489195548), (2, 1244597774), (4, 622298887), (7, 355599364), (14, 177799682), (19, 131010292), (28, 88899841), (38, 65505146), (76, 32752573), (133, 18715756), (266, 9357878), (532, 4678939)]