19704417

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1171}}^1$

素因数の和:1324

約数の個数: 16

約数和(自身を含む): 27002880

約数和(自身を除く): 7298463

約数列:

[1, 3, 71, 79, 213, 237, 1171, 3513, 5609, 16827, 83141, 92509, 249423, 277527, 6568139, 19704417]

約数ペア:

[(1, 19704417), (3, 6568139), (71, 277527), (79, 249423), (213, 92509), (237, 83141), (1171, 16827), (3513, 5609)]