19820384

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{15107}}^1$

素因数の和:15158

約数の個数: 24

約数和(自身を含む): 39975768

約数和(自身を除く): 20155384

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 15107, 30214, 60428, 120856, 241712, 483424, 619387, 1238774, 2477548, 4955096, 9910192, 19820384]

約数ペア:

[(1, 19820384), (2, 9910192), (4, 4955096), (8, 2477548), (16, 1238774), (32, 619387), (41, 483424), (82, 241712), (164, 120856), (328, 60428), (656, 30214), (1312, 15107)]