18664881

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{3529}}^1$

素因数の和:3616

約数の個数: 16

約数和(自身を含む): 26093760

約数和(自身を除く): 7428879

約数列:

[1, 3, 41, 43, 123, 129, 1763, 3529, 5289, 10587, 144689, 151747, 434067, 455241, 6221627, 18664881]

約数ペア:

[(1, 18664881), (3, 6221627), (41, 455241), (43, 434067), (123, 151747), (129, 144689), (1763, 10587), (3529, 5289)]