17890906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 31080960

約数和(自身を除く): 13190054

約数列:

[1, 2, 11, 22, 31, 37, 62, 74, 341, 407, 682, 709, 814, 1147, 1418, 2294, 7799, 12617, 15598, 21979, 25234, 26233, 43958, 52466, 241769, 288563, 483538, 577126, 813223, 1626446, 8945453, 17890906]

約数ペア:

[(1, 17890906), (2, 8945453), (11, 1626446), (22, 813223), (31, 577126), (37, 483538), (62, 288563), (74, 241769), (341, 52466), (407, 43958), (682, 26233), (709, 25234), (814, 21979), (1147, 15598), (1418, 12617), (2294, 7799)]