16218995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5309}}^1$

素因数の和:5374

約数の個数: 16

約数和(自身を含む): 21409920

約数和(自身を除く): 5190925

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 5309, 26545, 69017, 249523, 345085, 1247615, 3243799, 16218995]

約数ペア:

[(1, 16218995), (5, 3243799), (13, 1247615), (47, 345085), (65, 249523), (235, 69017), (611, 26545), (3055, 5309)]