28269188

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{19577}}^1$

素因数の和:19619

約数の個数: 18

約数和(自身を含む): 52214526

約数和(自身を除く): 23945338

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 19577, 39154, 78308, 371963, 743926, 1487852, 7067297, 14134594, 28269188]

約数ペア:

[(1, 28269188), (2, 14134594), (4, 7067297), (19, 1487852), (38, 743926), (76, 371963), (361, 78308), (722, 39154), (1444, 19577)]