18786928

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{10391}}^1$

素因数の和:10512

約数の個数: 20

約数和(自身を含む): 36725328

約数和(自身を除く): 17938400

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 10391, 20782, 41564, 83128, 166256, 1174183, 2348366, 4696732, 9393464, 18786928]

約数ペア:

[(1, 18786928), (2, 9393464), (4, 4696732), (8, 2348366), (16, 1174183), (113, 166256), (226, 83128), (452, 41564), (904, 20782), (1808, 10391)]