18860204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{859}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 36120000

約数和(自身を除く): 17259796

約数列:

[1, 2, 4, 11, 22, 44, 499, 859, 998, 1718, 1996, 3436, 5489, 9449, 10978, 18898, 21956, 37796, 428641, 857282, 1714564, 4715051, 9430102, 18860204]

約数ペア:

[(1, 18860204), (2, 9430102), (4, 4715051), (11, 1714564), (22, 857282), (44, 428641), (499, 37796), (859, 21956), (998, 18898), (1718, 10978), (1996, 9449), (3436, 5489)]