19873210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1471}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 41121792

約数和(自身を除く): 21248582

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 386, 965, 1351, 1471, 1930, 2702, 2942, 6755, 7355, 10297, 13510, 14710, 20594, 51485, 102970, 283903, 567806, 1419515, 1987321, 2839030, 3974642, 9936605, 19873210]

約数ペア:

[(1, 19873210), (2, 9936605), (5, 3974642), (7, 2839030), (10, 1987321), (14, 1419515), (35, 567806), (70, 283903), (193, 102970), (386, 51485), (965, 20594), (1351, 14710), (1471, 13510), (1930, 10297), (2702, 7355), (2942, 6755)]