18742438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^2$

素因数の和:181

約数の個数: 36

約数和(自身を含む): 33684444

約数和(自身を除く): 14942006

約数列:

[1, 2, 11, 13, 22, 26, 71, 142, 143, 169, 286, 338, 781, 923, 1562, 1846, 1859, 3718, 5041, 10082, 10153, 11999, 20306, 23998, 55451, 65533, 110902, 131066, 131989, 263978, 720863, 851929, 1441726, 1703858, 9371219, 18742438]

約数ペア:

[(1, 18742438), (2, 9371219), (11, 1703858), (13, 1441726), (22, 851929), (26, 720863), (71, 263978), (142, 131989), (143, 131066), (169, 110902), (286, 65533), (338, 55451), (781, 23998), (923, 20306), (1562, 11999), (1846, 10153), (1859, 10082), (3718, 5041)]