18040253

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:126

約数の個数: 36

約数和(自身を含む): 24323040

約数和(自身を除く): 6282787

約数列:

[1, 7, 11, 19, 59, 77, 121, 133, 209, 361, 413, 649, 847, 1121, 1463, 2299, 2527, 3971, 4543, 7139, 7847, 12331, 16093, 21299, 27797, 43681, 49973, 86317, 135641, 149093, 234289, 305767, 949487, 1640023, 2577179, 18040253]

約数ペア:

[(1, 18040253), (7, 2577179), (11, 1640023), (19, 949487), (59, 305767), (77, 234289), (121, 149093), (133, 135641), (209, 86317), (361, 49973), (413, 43681), (649, 27797), (847, 21299), (1121, 16093), (1463, 12331), (2299, 7847), (2527, 7139), (3971, 4543)]