18997286

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{439}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 35735040

約数和(自身を除く): 16737754

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 281, 439, 562, 878, 1967, 3073, 3091, 3934, 4829, 6146, 6182, 9658, 21637, 33803, 43274, 67606, 123359, 246718, 863513, 1356949, 1727026, 2713898, 9498643, 18997286]

約数ペア:

[(1, 18997286), (2, 9498643), (7, 2713898), (11, 1727026), (14, 1356949), (22, 863513), (77, 246718), (154, 123359), (281, 67606), (439, 43274), (562, 33803), (878, 21637), (1967, 9658), (3073, 6182), (3091, 6146), (3934, 4829)]