18223855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1117}}^1$

素因数の和:1386

約数の個数: 16

約数和(自身を含む): 23665824

約数和(自身を除く): 5441969

約数列:

[1, 5, 13, 65, 251, 1117, 1255, 3263, 5585, 14521, 16315, 72605, 280367, 1401835, 3644771, 18223855]

約数ペア:

[(1, 18223855), (5, 3644771), (13, 1401835), (65, 280367), (251, 72605), (1117, 16315), (1255, 14521), (3263, 5585)]