19830381

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{8273}}^1$

素因数の和:8340

約数の個数: 16

約数和(自身を含む): 28594944

約数和(自身を除く): 8764563

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 8273, 24819, 140641, 388831, 421923, 1166493, 6610127, 19830381]

約数ペア:

[(1, 19830381), (3, 6610127), (17, 1166493), (47, 421923), (51, 388831), (141, 140641), (799, 24819), (2397, 8273)]