19118919

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{1303}}^1$

素因数の和:1446

約数の個数: 16

約数和(自身を含む): 26246912

約数和(自身を除く): 7127993

約数列:

[1, 3, 67, 73, 201, 219, 1303, 3909, 4891, 14673, 87301, 95119, 261903, 285357, 6372973, 19118919]

約数ペア:

[(1, 19118919), (3, 6372973), (67, 285357), (73, 261903), (201, 95119), (219, 87301), (1303, 14673), (3909, 4891)]