19754847

素因数分解:

$3^4\times 7^1\times {\mathrm{34841}}^1$

素因数の和:34860

約数の個数: 20

約数和(自身を含む): 33727056

約数和(自身を除く): 13972209

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 34841, 104523, 243887, 313569, 731661, 940707, 2194983, 2822121, 6584949, 19754847]

約数ペア:

[(1, 19754847), (3, 6584949), (7, 2822121), (9, 2194983), (21, 940707), (27, 731661), (63, 313569), (81, 243887), (189, 104523), (567, 34841)]