19219624

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{55871}}^1$

素因数の和:55920

約数の個数: 16

約数和(自身を含む): 36875520

約数和(自身を除く): 17655896

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 55871, 111742, 223484, 446968, 2402453, 4804906, 9609812, 19219624]

約数ペア:

[(1, 19219624), (2, 9609812), (4, 4804906), (8, 2402453), (43, 446968), (86, 223484), (172, 111742), (344, 55871)]