18238257

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{107}}^2$

素因数の和:282

約数の個数: 24

約数和(自身を含む): 27736800

約数和(自身を除く): 9498543

約数列:

[1, 3, 9, 27, 59, 107, 177, 321, 531, 963, 1593, 2889, 6313, 11449, 18939, 34347, 56817, 103041, 170451, 309123, 675491, 2026473, 6079419, 18238257]

約数ペア:

[(1, 18238257), (3, 6079419), (9, 2026473), (27, 675491), (59, 309123), (107, 170451), (177, 103041), (321, 56817), (531, 34347), (963, 18939), (1593, 11449), (2889, 6313)]