19350009

素因数分解:

$3^4\times 7^1\times {\mathrm{34127}}^1$

素因数の和:34146

約数の個数: 20

約数和(自身を含む): 33035904

約数和(自身を除く): 13685895

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 34127, 102381, 238889, 307143, 716667, 921429, 2150001, 2764287, 6450003, 19350009]

約数ペア:

[(1, 19350009), (3, 6450003), (7, 2764287), (9, 2150001), (21, 921429), (27, 716667), (63, 307143), (81, 238889), (189, 102381), (567, 34127)]