18502205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1997}}^1$

素因数の和:2128

約数の個数: 16

約数和(自身を含む): 23736240

約数和(自身を除く): 5234035

約数列:

[1, 5, 17, 85, 109, 545, 1853, 1997, 9265, 9985, 33949, 169745, 217673, 1088365, 3700441, 18502205]

約数ペア:

[(1, 18502205), (5, 3700441), (17, 1088365), (85, 217673), (109, 169745), (545, 33949), (1853, 9985), (1997, 9265)]