18737966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{6997}}^1$

素因数の和:7115

約数の個数: 16

約数和(自身を含む): 30567264

約数和(自身を除く): 11829298

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 6997, 13994, 90961, 181922, 720691, 1441382, 9368983, 18737966]

約数ペア:

[(1, 18737966), (2, 9368983), (13, 1441382), (26, 720691), (103, 181922), (206, 90961), (1339, 13994), (2678, 6997)]