18890885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1783}}^1$

素因数の和:1964

約数の個数: 16

約数和(自身を含む): 24576384

約数和(自身を除く): 5685499

約数列:

[1, 5, 13, 65, 163, 815, 1783, 2119, 8915, 10595, 23179, 115895, 290629, 1453145, 3778177, 18890885]

約数ペア:

[(1, 18890885), (5, 3778177), (13, 1453145), (65, 290629), (163, 115895), (815, 23179), (1783, 10595), (2119, 8915)]