19290538

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:741

約数の個数: 16

約数和(自身を含む): 29399040

約数和(自身を除く): 10108502

約数列:

[1, 2, 127, 173, 254, 346, 439, 878, 21971, 43942, 55753, 75947, 111506, 151894, 9645269, 19290538]

約数ペア:

[(1, 19290538), (2, 9645269), (127, 151894), (173, 111506), (254, 75947), (346, 55753), (439, 43942), (878, 21971)]