18827667

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10202733

約数列:

[1, 3, 9, 27, 53, 59, 159, 177, 223, 477, 531, 669, 1431, 1593, 2007, 3127, 6021, 9381, 11819, 13157, 28143, 35457, 39471, 84429, 106371, 118413, 319113, 355239, 697321, 2091963, 6275889, 18827667]

約数ペア:

[(1, 18827667), (3, 6275889), (9, 2091963), (27, 697321), (53, 355239), (59, 319113), (159, 118413), (177, 106371), (223, 84429), (477, 39471), (531, 35457), (669, 28143), (1431, 13157), (1593, 11819), (2007, 9381), (3127, 6021)]