17937309

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{19997}}^1$

素因数の和:20036

約数の個数: 16

約数和(自身を含む): 26877312

約数和(自身を除く): 8940003

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 19997, 59991, 259961, 459931, 779883, 1379793, 5979103, 17937309]

約数ペア:

[(1, 17937309), (3, 5979103), (13, 1379793), (23, 779883), (39, 459931), (69, 259961), (299, 59991), (897, 19997)]