19239579

素因数分解:

$3^3\times {\mathrm{401}}^1\times {\mathrm{1777}}^1$

素因数の和:2187

約数の個数: 16

約数和(自身を含む): 28590240

約数和(自身を除く): 9350661

約数列:

[1, 3, 9, 27, 401, 1203, 1777, 3609, 5331, 10827, 15993, 47979, 712577, 2137731, 6413193, 19239579]

約数ペア:

[(1, 19239579), (3, 6413193), (9, 2137731), (27, 712577), (401, 47979), (1203, 15993), (1777, 10827), (3609, 5331)]