17939818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2887}}^1$

素因数の和:3141

約数の個数: 16

約数和(自身を含む): 29111040

約数和(自身を除く): 11171222

約数列:

[1, 2, 13, 26, 239, 478, 2887, 3107, 5774, 6214, 37531, 75062, 689993, 1379986, 8969909, 17939818]

約数ペア:

[(1, 17939818), (2, 8969909), (13, 1379986), (26, 689993), (239, 75062), (478, 37531), (2887, 6214), (3107, 5774)]