19494754

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 31850496

約数和(自身を除く): 12355742

約数列:

[1, 2, 23, 46, 47, 71, 94, 127, 142, 254, 1081, 1633, 2162, 2921, 3266, 3337, 5842, 5969, 6674, 9017, 11938, 18034, 76751, 137287, 153502, 207391, 274574, 414782, 423799, 847598, 9747377, 19494754]

約数ペア:

[(1, 19494754), (2, 9747377), (23, 847598), (46, 423799), (47, 414782), (71, 274574), (94, 207391), (127, 153502), (142, 137287), (254, 76751), (1081, 18034), (1633, 11938), (2162, 9017), (2921, 6674), (3266, 5969), (3337, 5842)]