18813954

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{136333}}^1$

素因数の和:136361

約数の個数: 16

約数和(自身を含む): 39264192

約数和(自身を除く): 20450238

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 136333, 272666, 408999, 817998, 3135659, 6271318, 9406977, 18813954]

約数ペア:

[(1, 18813954), (2, 9406977), (3, 6271318), (6, 3135659), (23, 817998), (46, 408999), (69, 272666), (138, 136333)]