19638255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14387}}^1$

素因数の和:14415

約数の個数: 32

約数和(自身を含む): 38674944

約数和(自身を除く): 19036689

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 14387, 43161, 71935, 100709, 187031, 215805, 302127, 503545, 561093, 935155, 1309217, 1510635, 2805465, 3927651, 6546085, 19638255]

約数ペア:

[(1, 19638255), (3, 6546085), (5, 3927651), (7, 2805465), (13, 1510635), (15, 1309217), (21, 935155), (35, 561093), (39, 503545), (65, 302127), (91, 215805), (105, 187031), (195, 100709), (273, 71935), (455, 43161), (1365, 14387)]