19118043

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4157}}^1$

素因数の和:4243

約数の個数: 24

約数和(自身を含む): 31999968

約数和(自身を除く): 12881925

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4157, 4599, 12471, 29099, 37413, 87297, 261891, 303461, 910383, 2124227, 2731149, 6372681, 19118043]

約数ペア:

[(1, 19118043), (3, 6372681), (7, 2731149), (9, 2124227), (21, 910383), (63, 303461), (73, 261891), (219, 87297), (511, 37413), (657, 29099), (1533, 12471), (4157, 4599)]