19389909

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83939}}^1$

素因数の和:83960

約数の個数: 16

約数和(自身を含む): 32232960

約数和(自身を除く): 12843051

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 83939, 251817, 587573, 923329, 1762719, 2769987, 6463303, 19389909]

約数ペア:

[(1, 19389909), (3, 6463303), (7, 2769987), (11, 1762719), (21, 923329), (33, 587573), (77, 251817), (231, 83939)]