21888418

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1093}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 37808640

約数和(自身を除く): 15920222

約数列:

[1, 2, 17, 19, 31, 34, 38, 62, 323, 527, 589, 646, 1054, 1093, 1178, 2186, 10013, 18581, 20026, 20767, 33883, 37162, 41534, 67766, 353039, 576011, 643777, 706078, 1152022, 1287554, 10944209, 21888418]

約数ペア:

[(1, 21888418), (2, 10944209), (17, 1287554), (19, 1152022), (31, 706078), (34, 643777), (38, 576011), (62, 353039), (323, 67766), (527, 41534), (589, 37162), (646, 33883), (1054, 20767), (1093, 20026), (1178, 18581), (2186, 10013)]