18121539

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1451}}^1$

素因数の和:1658

約数の個数: 16

約数和(自身を含む): 25369344

約数和(自身を除く): 7247805

約数列:

[1, 3, 23, 69, 181, 543, 1451, 4163, 4353, 12489, 33373, 100119, 262631, 787893, 6040513, 18121539]

約数ペア:

[(1, 18121539), (3, 6040513), (23, 787893), (69, 262631), (181, 100119), (543, 33373), (1451, 12489), (4163, 4353)]