18805390

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{19387}}^1$

素因数の和:19491

約数の個数: 16

約数和(自身を含む): 34200432

約数和(自身を除く): 15395042

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 19387, 38774, 96935, 193870, 1880539, 3761078, 9402695, 18805390]

約数ペア:

[(1, 18805390), (2, 9402695), (5, 3761078), (10, 1880539), (97, 193870), (194, 96935), (485, 38774), (970, 19387)]