18675201

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2039}}^1$

素因数の和:2156

約数の個数: 16

約数和(自身を含む): 25850880

約数和(自身を除く): 7175679

約数列:

[1, 3, 43, 71, 129, 213, 2039, 3053, 6117, 9159, 87677, 144769, 263031, 434307, 6225067, 18675201]

約数ペア:

[(1, 18675201), (3, 6225067), (43, 434307), (71, 263031), (129, 144769), (213, 87677), (2039, 9159), (3053, 6117)]