19886697

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{4177}}^1$

素因数の和:4229

約数の個数: 18

約数和(自身を含む): 30035642

約数和(自身を除く): 10148945

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4177, 4761, 12531, 37593, 96071, 288213, 864639, 2209633, 6628899, 19886697]

約数ペア:

[(1, 19886697), (3, 6628899), (9, 2209633), (23, 864639), (69, 288213), (207, 96071), (529, 37593), (1587, 12531), (4177, 4761)]