19229643

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5521}}^1$

素因数の和:5576

約数の個数: 20

約数和(自身を含む): 29399128

約数和(自身を除く): 10169485

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5521, 16563, 49689, 149067, 237403, 447201, 712209, 2136627, 6409881, 19229643]

約数ペア:

[(1, 19229643), (3, 6409881), (9, 2136627), (27, 712209), (43, 447201), (81, 237403), (129, 149067), (387, 49689), (1161, 16563), (3483, 5521)]