19535885

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{409}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 24176880

約数和(自身を除く): 4640995

約数列:

[1, 5, 41, 205, 233, 409, 1165, 2045, 9553, 16769, 47765, 83845, 95297, 476485, 3907177, 19535885]

約数ペア:

[(1, 19535885), (5, 3907177), (41, 476485), (205, 95297), (233, 83845), (409, 47765), (1165, 16769), (2045, 9553)]