18795285

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 35043840

約数和(自身を除く): 16248555

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 79, 85, 153, 237, 255, 311, 395, 711, 765, 933, 1185, 1343, 1555, 2799, 3555, 4029, 4665, 5287, 6715, 12087, 13995, 15861, 20145, 24569, 26435, 47583, 60435, 73707, 79305, 122845, 221121, 237915, 368535, 417673, 1105605, 1253019, 2088365, 3759057, 6265095, 18795285]

約数ペア:

[(1, 18795285), (3, 6265095), (5, 3759057), (9, 2088365), (15, 1253019), (17, 1105605), (45, 417673), (51, 368535), (79, 237915), (85, 221121), (153, 122845), (237, 79305), (255, 73707), (311, 60435), (395, 47583), (711, 26435), (765, 24569), (933, 20145), (1185, 15861), (1343, 13995), (1555, 12087), (2799, 6715), (3555, 5287), (4029, 4665)]