19189143

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{983}}^1$

素因数の和:1236

約数の個数: 20

約数和(自身を含む): 28813488

約数和(自身を除く): 9624345

約数列:

[1, 3, 9, 27, 81, 241, 723, 983, 2169, 2949, 6507, 8847, 19521, 26541, 79623, 236903, 710709, 2132127, 6396381, 19189143]

約数ペア:

[(1, 19189143), (3, 6396381), (9, 2132127), (27, 710709), (81, 236903), (241, 79623), (723, 26541), (983, 19521), (2169, 8847), (2949, 6507)]