18931486

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71171}}^1$

素因数の和:71199

約数の個数: 16

約数和(自身を含む): 34162560

約数和(自身を除く): 15231074

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 71171, 142342, 498197, 996394, 1352249, 2704498, 9465743, 18931486]

約数ペア:

[(1, 18931486), (2, 9465743), (7, 2704498), (14, 1352249), (19, 996394), (38, 498197), (133, 142342), (266, 71171)]