17918804990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{38125117}}^1$

素因数の和:38125171

約数の個数: 16

約数和(自身を含む): 32940101952

約数和(自身を除く): 15021296962

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 38125117, 76250234, 190625585, 381251170, 1791880499, 3583760998, 8959402495, 17918804990]

約数ペア:

[(1, 17918804990), (2, 8959402495), (5, 3583760998), (10, 1791880499), (47, 381251170), (94, 190625585), (235, 76250234), (470, 38125117)]