18805927

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6871}}^1$

素因数の和:6918

約数の個数: 16

約数和(自身を含む): 23749632

約数和(自身を除く): 4943705

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 6871, 48097, 116807, 158033, 817649, 1106231, 2686561, 18805927]

約数ペア:

[(1, 18805927), (7, 2686561), (17, 1106231), (23, 817649), (119, 158033), (161, 116807), (391, 48097), (2737, 6871)]