18156356

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{51001}}^1$

素因数の和:51094

約数の個数: 12

約数和(自身を含む): 32131260

約数和(自身を除く): 13974904

約数列:

[1, 2, 4, 89, 178, 356, 51001, 102002, 204004, 4539089, 9078178, 18156356]

約数ペア:

[(1, 18156356), (2, 9078178), (4, 4539089), (89, 204004), (178, 102002), (356, 51001)]