18184258

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:729

約数の個数: 16

約数和(自身を含む): 27720000

約数和(自身を除く): 9535742

約数列:

[1, 2, 139, 149, 278, 298, 439, 878, 20711, 41422, 61021, 65411, 122042, 130822, 9092129, 18184258]

約数ペア:

[(1, 18184258), (2, 9092129), (139, 130822), (149, 122042), (278, 65411), (298, 61021), (439, 41422), (878, 20711)]