19448991

素因数分解:

$3^7\times {\mathrm{8893}}^1$

素因数の和:8914

約数の個数: 16

約数和(自身を含む): 29172320

約数和(自身を除く): 9723329

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 8893, 26679, 80037, 240111, 720333, 2160999, 6482997, 19448991]

約数ペア:

[(1, 19448991), (3, 6482997), (9, 2160999), (27, 720333), (81, 240111), (243, 80037), (729, 26679), (2187, 8893)]