18510621

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2477}}^1$

素因数の和:2580

約数の個数: 16

約数和(自身を含む): 25691904

約数和(自身を除く): 7181283

約数列:

[1, 3, 47, 53, 141, 159, 2477, 2491, 7431, 7473, 116419, 131281, 349257, 393843, 6170207, 18510621]

約数ペア:

[(1, 18510621), (3, 6170207), (47, 393843), (53, 349257), (141, 131281), (159, 116419), (2477, 7473), (2491, 7431)]