18678850

素因数分解:

$2^1\times 5^2\times {\mathrm{397}}^1\times {\mathrm{941}}^1$

素因数の和:1350

約数の個数: 24

約数和(自身を含む): 34867188

約数和(自身を除く): 16188338

約数列:

[1, 2, 5, 10, 25, 50, 397, 794, 941, 1882, 1985, 3970, 4705, 9410, 9925, 19850, 23525, 47050, 373577, 747154, 1867885, 3735770, 9339425, 18678850]

約数ペア:

[(1, 18678850), (2, 9339425), (5, 3735770), (10, 1867885), (25, 747154), (50, 373577), (397, 47050), (794, 23525), (941, 19850), (1882, 9925), (1985, 9410), (3970, 4705)]