19263986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72421}}^1$

素因数の和:72449

約数の個数: 16

約数和(自身を含む): 34762560

約数和(自身を除く): 15498574

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 72421, 144842, 506947, 1013894, 1375999, 2751998, 9631993, 19263986]

約数ペア:

[(1, 19263986), (2, 9631993), (7, 2751998), (14, 1375999), (19, 1013894), (38, 506947), (133, 144842), (266, 72421)]