19719765

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2593}}^1$

素因数の和:2630

約数の個数: 36

約数和(自身を含む): 37026756

約数和(自身を除く): 17306991

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 507, 585, 845, 1521, 2535, 2593, 7605, 7779, 12965, 23337, 33709, 38895, 101127, 116685, 168545, 303381, 438217, 505635, 1314651, 1516905, 2191085, 3943953, 6573255, 19719765]

約数ペア:

[(1, 19719765), (3, 6573255), (5, 3943953), (9, 2191085), (13, 1516905), (15, 1314651), (39, 505635), (45, 438217), (65, 303381), (117, 168545), (169, 116685), (195, 101127), (507, 38895), (585, 33709), (845, 23337), (1521, 12965), (2535, 7779), (2593, 7605)]