19743665

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{701}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 24463296

約数和(自身を除く): 4719631

約数列:

[1, 5, 43, 131, 215, 655, 701, 3505, 5633, 28165, 30143, 91831, 150715, 459155, 3948733, 19743665]

約数ペア:

[(1, 19743665), (5, 3948733), (43, 459155), (131, 150715), (215, 91831), (655, 30143), (701, 28165), (3505, 5633)]