19899632

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{4729}}^1$

素因数の和:5000

約数の個数: 20

約数和(自身を含む): 38710320

約数和(自身を除く): 18810688

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 4729, 9458, 18916, 37832, 75664, 1243727, 2487454, 4974908, 9949816, 19899632]

約数ペア:

[(1, 19899632), (2, 9949816), (4, 4974908), (8, 2487454), (16, 1243727), (263, 75664), (526, 37832), (1052, 18916), (2104, 9458), (4208, 4729)]