19789870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{116411}}^1$

素因数の和:116435

約数の個数: 16

約数和(自身を含む): 37717488

約数和(自身を除く): 17927618

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 116411, 232822, 582055, 1164110, 1978987, 3957974, 9894935, 19789870]

約数ペア:

[(1, 19789870), (2, 9894935), (5, 3957974), (10, 1978987), (17, 1164110), (34, 582055), (85, 232822), (170, 116411)]