18493874

素因数分解:

$2^1\times 7^3\times {\mathrm{26959}}^1$

素因数の和:26982

約数の個数: 16

約数和(自身を含む): 32352000

約数和(自身を除く): 13858126

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 26959, 53918, 188713, 377426, 1320991, 2641982, 9246937, 18493874]

約数ペア:

[(1, 18493874), (2, 9246937), (7, 2641982), (14, 1320991), (49, 377426), (98, 188713), (343, 53918), (686, 26959)]