19937624

素因数分解:

$2^3\times 7^1\times {\mathrm{439}}^1\times {\mathrm{811}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 42873600

約数和(自身を除く): 22935976

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 439, 811, 878, 1622, 1756, 3073, 3244, 3512, 5677, 6146, 6488, 11354, 12292, 22708, 24584, 45416, 356029, 712058, 1424116, 2492203, 2848232, 4984406, 9968812, 19937624]

約数ペア:

[(1, 19937624), (2, 9968812), (4, 4984406), (7, 2848232), (8, 2492203), (14, 1424116), (28, 712058), (56, 356029), (439, 45416), (811, 24584), (878, 22708), (1622, 12292), (1756, 11354), (3073, 6488), (3244, 6146), (3512, 5677)]