188691220

素因数分解:

$2^2\times 5^1\times {\mathrm{9434561}}^1$

素因数の和:9434570

約数の個数: 12

約数和(自身を含む): 396251604

約数和(自身を除く): 207560384

約数列:

[1, 2, 4, 5, 10, 20, 9434561, 18869122, 37738244, 47172805, 94345610, 188691220]

約数ペア:

[(1, 188691220), (2, 94345610), (4, 47172805), (5, 37738244), (10, 18869122), (20, 9434561)]