19400508

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{3877}}^1$

素因数の和:4026

約数の個数: 36

約数和(自身を含む): 49405720

約数和(自身を除く): 30005212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 3877, 5004, 7754, 11631, 15508, 23262, 34893, 46524, 69786, 139572, 538903, 1077806, 1616709, 2155612, 3233418, 4850127, 6466836, 9700254, 19400508]

約数ペア:

[(1, 19400508), (2, 9700254), (3, 6466836), (4, 4850127), (6, 3233418), (9, 2155612), (12, 1616709), (18, 1077806), (36, 538903), (139, 139572), (278, 69786), (417, 46524), (556, 34893), (834, 23262), (1251, 15508), (1668, 11631), (2502, 7754), (3877, 5004)]