18990339

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{853}}^1$

素因数の和:1078

約数の個数: 16

約数和(自身を含む): 26111904

約数和(自身を除く): 7121565

約数列:

[1, 3, 41, 123, 181, 543, 853, 2559, 7421, 22263, 34973, 104919, 154393, 463179, 6330113, 18990339]

約数ペア:

[(1, 18990339), (3, 6330113), (41, 463179), (123, 154393), (181, 104919), (543, 34973), (853, 22263), (2559, 7421)]