16619636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{971}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 31842720

約数和(自身を除く): 15223084

約数列:

[1, 2, 4, 11, 22, 44, 389, 778, 971, 1556, 1942, 3884, 4279, 8558, 10681, 17116, 21362, 42724, 377719, 755438, 1510876, 4154909, 8309818, 16619636]

約数ペア:

[(1, 16619636), (2, 8309818), (4, 4154909), (11, 1510876), (22, 755438), (44, 377719), (389, 42724), (778, 21362), (971, 17116), (1556, 10681), (1942, 8558), (3884, 4279)]