18713115

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5857}}^1$

素因数の和:5939

約数の個数: 24

約数和(自身を含む): 32898528

約数和(自身を除く): 14185413

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 5857, 17571, 29285, 52713, 87855, 263565, 415847, 1247541, 2079235, 3742623, 6237705, 18713115]

約数ペア:

[(1, 18713115), (3, 6237705), (5, 3742623), (9, 2079235), (15, 1247541), (45, 415847), (71, 263565), (213, 87855), (355, 52713), (639, 29285), (1065, 17571), (3195, 5857)]