18883395

素因数分解:

$3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1021}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 33848640

約数和(自身を除く): 14965245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137, 411, 685, 1021, 1233, 2055, 3063, 3699, 5105, 6165, 9189, 15315, 18495, 27567, 45945, 137835, 139877, 419631, 699385, 1258893, 2098155, 3776679, 6294465, 18883395]

約数ペア:

[(1, 18883395), (3, 6294465), (5, 3776679), (9, 2098155), (15, 1258893), (27, 699385), (45, 419631), (135, 139877), (137, 137835), (411, 45945), (685, 27567), (1021, 18495), (1233, 15315), (2055, 9189), (3063, 6165), (3699, 5105)]