19211478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22391}}^1$

素因数の和:22420

約数の個数: 32

約数和(自身を含む): 45142272

約数和(自身を除く): 25930794

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 22391, 44782, 67173, 134346, 246301, 291083, 492602, 582166, 738903, 873249, 1477806, 1746498, 3201913, 6403826, 9605739, 19211478]

約数ペア:

[(1, 19211478), (2, 9605739), (3, 6403826), (6, 3201913), (11, 1746498), (13, 1477806), (22, 873249), (26, 738903), (33, 582166), (39, 492602), (66, 291083), (78, 246301), (143, 134346), (286, 67173), (429, 44782), (858, 22391)]