19446723

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{587}}^1$

素因数の和:1008

約数の個数: 20

約数和(自身を含む): 29170680

約数和(自身を除く): 9723957

約数列:

[1, 3, 9, 27, 81, 409, 587, 1227, 1761, 3681, 5283, 11043, 15849, 33129, 47547, 240083, 720249, 2160747, 6482241, 19446723]

約数ペア:

[(1, 19446723), (3, 6482241), (9, 2160747), (27, 720249), (81, 240083), (409, 47547), (587, 33129), (1227, 15849), (1761, 11043), (3681, 5283)]