19204857

素因数分解:

$3^4\times 7^1\times {\mathrm{33871}}^1$

素因数の和:33890

約数の個数: 20

約数和(自身を含む): 32788096

約数和(自身を除く): 13583239

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 33871, 101613, 237097, 304839, 711291, 914517, 2133873, 2743551, 6401619, 19204857]

約数ペア:

[(1, 19204857), (3, 6401619), (7, 2743551), (9, 2133873), (21, 914517), (27, 711291), (63, 304839), (81, 237097), (189, 101613), (567, 33871)]