199932478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{309493}}^1$

素因数の和:309531

約数の個数: 16

約数和(自身を含む): 334253520

約数和(自身を除く): 134321042

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 309493, 618986, 5261381, 5880367, 10522762, 11760734, 99966239, 199932478]

約数ペア:

[(1, 199932478), (2, 99966239), (17, 11760734), (19, 10522762), (34, 5880367), (38, 5261381), (323, 618986), (646, 309493)]