18795591

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{40949}}^1$

素因数の和:40975

約数の個数: 16

約数和(自身を含む): 29484000

約数和(自身を除く): 10688409

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 40949, 122847, 368541, 696133, 1105623, 2088399, 6265197, 18795591]

約数ペア:

[(1, 18795591), (3, 6265197), (9, 2088399), (17, 1105623), (27, 696133), (51, 368541), (153, 122847), (459, 40949)]