18889670

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{82129}}^1$

素因数の和:82159

約数の個数: 16

約数和(自身を含む): 35480160

約数和(自身を除く): 16590490

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 82129, 164258, 410645, 821290, 1888967, 3777934, 9444835, 18889670]

約数ペア:

[(1, 18889670), (2, 9444835), (5, 3777934), (10, 1888967), (23, 821290), (46, 410645), (115, 164258), (230, 82129)]