19889110

素因数分解:

$2^1\times 5^1\times {\mathrm{953}}^1\times {\mathrm{2087}}^1$

素因数の和:3047

約数の個数: 16

約数和(自身を含む): 35855136

約数和(自身を除く): 15966026

約数列:

[1, 2, 5, 10, 953, 1906, 2087, 4174, 4765, 9530, 10435, 20870, 1988911, 3977822, 9944555, 19889110]

約数ペア:

[(1, 19889110), (2, 9944555), (5, 3977822), (10, 1988911), (953, 20870), (1906, 10435), (2087, 9530), (4174, 4765)]