19873593

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3361}}^1$

素因数の和:3446

約数の個数: 20

約数和(自身を含む): 30103348

約数和(自身を除く): 10229755

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3361, 5913, 10083, 30249, 90747, 245353, 272241, 736059, 2208177, 6624531, 19873593]

約数ペア:

[(1, 19873593), (3, 6624531), (9, 2208177), (27, 736059), (73, 272241), (81, 245353), (219, 90747), (657, 30249), (1971, 10083), (3361, 5913)]