18647577

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{5903}}^1$

素因数の和:5931

約数の個数: 24

約数和(自身を含む): 30086784

約数和(自身を除く): 11439207

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 5903, 17709, 53127, 76739, 159381, 230217, 478143, 690651, 1434429, 2071953, 6215859, 18647577]

約数ペア:

[(1, 18647577), (3, 6215859), (9, 2071953), (13, 1434429), (27, 690651), (39, 478143), (81, 230217), (117, 159381), (243, 76739), (351, 53127), (1053, 17709), (3159, 5903)]