19762245

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 38016000

約数和(自身を除く): 18253755

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 79, 85, 109, 135, 153, 237, 255, 327, 395, 459, 545, 711, 765, 981, 1185, 1343, 1635, 1853, 2133, 2295, 2943, 3555, 4029, 4905, 5559, 6715, 8611, 9265, 10665, 12087, 14715, 16677, 20145, 25833, 27795, 36261, 43055, 50031, 60435, 77499, 83385, 129165, 146387, 181305, 232497, 250155, 387495, 439161, 731935, 1162485, 1317483, 2195805, 3952449, 6587415, 19762245]

約数ペア:

[(1, 19762245), (3, 6587415), (5, 3952449), (9, 2195805), (15, 1317483), (17, 1162485), (27, 731935), (45, 439161), (51, 387495), (79, 250155), (85, 232497), (109, 181305), (135, 146387), (153, 129165), (237, 83385), (255, 77499), (327, 60435), (395, 50031), (459, 43055), (545, 36261), (711, 27795), (765, 25833), (981, 20145), (1185, 16677), (1343, 14715), (1635, 12087), (1853, 10665), (2133, 9265), (2295, 8611), (2943, 6715), (3555, 5559), (4029, 4905)]