19665423

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{2269}}^1$

素因数の和:2388

約数の個数: 20

約数和(自身を含む): 29664360

約数和(自身を除く): 9998937

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2269, 2889, 6807, 8667, 20421, 61263, 183789, 242783, 728349, 2185047, 6555141, 19665423]

約数ペア:

[(1, 19665423), (3, 6555141), (9, 2185047), (27, 728349), (81, 242783), (107, 183789), (321, 61263), (963, 20421), (2269, 8667), (2889, 6807)]