18792729

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12211}}^1$

素因数の和:12242

約数の個数: 20

約数和(自身を含む): 29553040

約数和(自身を除く): 10760311

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12211, 36633, 109899, 232009, 329697, 696027, 989091, 2088081, 6264243, 18792729]

約数ペア:

[(1, 18792729), (3, 6264243), (9, 2088081), (19, 989091), (27, 696027), (57, 329697), (81, 232009), (171, 109899), (513, 36633), (1539, 12211)]