18128319

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3499}}^1$

素因数の和:3670

約数の個数: 16

約数和(自身を含む): 26544000

約数和(自身を除く): 8415681

約数列:

[1, 3, 11, 33, 157, 471, 1727, 3499, 5181, 10497, 38489, 115467, 549343, 1648029, 6042773, 18128319]

約数ペア:

[(1, 18128319), (3, 6042773), (11, 1648029), (33, 549343), (157, 115467), (471, 38489), (1727, 10497), (3499, 5181)]