18391772

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 39137280

約数和(自身を除く): 20745508

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 181, 191, 266, 362, 382, 532, 724, 764, 1267, 1337, 2534, 2674, 3439, 3629, 5068, 5348, 6878, 7258, 13756, 14516, 24073, 25403, 34571, 48146, 50806, 69142, 96292, 101612, 138284, 241997, 483994, 656849, 967988, 1313698, 2627396, 4597943, 9195886, 18391772]

約数ペア:

[(1, 18391772), (2, 9195886), (4, 4597943), (7, 2627396), (14, 1313698), (19, 967988), (28, 656849), (38, 483994), (76, 241997), (133, 138284), (181, 101612), (191, 96292), (266, 69142), (362, 50806), (382, 48146), (532, 34571), (724, 25403), (764, 24073), (1267, 14516), (1337, 13756), (2534, 7258), (2674, 6878), (3439, 5348), (3629, 5068)]