18666869

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 21168000

約数和(自身を除く): 2501131

約数列:

[1, 13, 23, 149, 299, 419, 1937, 3427, 5447, 9637, 44551, 62431, 125281, 811603, 1435913, 18666869]

約数ペア:

[(1, 18666869), (13, 1435913), (23, 811603), (149, 125281), (299, 62431), (419, 44551), (1937, 9637), (3427, 5447)]