19687490417

素因数分解:

$7^1\times {\mathrm{673}}^1\times {\mathrm{991}}^1\times {\mathrm{4217}}^1$

素因数の和:5888

約数の個数: 16

約数和(自身を含む): 22561508352

約数和(自身を除く): 2874017935

約数列:

[1, 7, 673, 991, 4217, 4711, 6937, 29519, 666943, 2838041, 4179047, 4668601, 19866287, 29253329, 2812498631, 19687490417]

約数ペア:

[(1, 19687490417), (7, 2812498631), (673, 29253329), (991, 19866287), (4217, 4668601), (4711, 4179047), (6937, 2838041), (29519, 666943)]