18797245

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{797}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 23269680

約数和(自身を除く): 4472435

約数列:

[1, 5, 53, 89, 265, 445, 797, 3985, 4717, 23585, 42241, 70933, 211205, 354665, 3759449, 18797245]

約数ペア:

[(1, 18797245), (5, 3759449), (53, 354665), (89, 211205), (265, 70933), (445, 42241), (797, 23585), (3985, 4717)]