19708254

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{7877}}^1$

素因数の和:8024

約数の個数: 24

約数和(自身を含む): 43013880

約数和(自身を除く): 23305626

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 7877, 15754, 23631, 47262, 70893, 141786, 1094903, 2189806, 3284709, 6569418, 9854127, 19708254]

約数ペア:

[(1, 19708254), (2, 9854127), (3, 6569418), (6, 3284709), (9, 2189806), (18, 1094903), (139, 141786), (278, 70893), (417, 47262), (834, 23631), (1251, 15754), (2502, 7877)]