19788538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6763}}^1$

素因数の和:6802

約数の個数: 32

約数和(自身を含む): 38960640

約数和(自身を除く): 19172102

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 6763, 13526, 47341, 74393, 94682, 128497, 148786, 256994, 520751, 899479, 1041502, 1413467, 1798958, 2826934, 9894269, 19788538]

約数ペア:

[(1, 19788538), (2, 9894269), (7, 2826934), (11, 1798958), (14, 1413467), (19, 1041502), (22, 899479), (38, 520751), (77, 256994), (133, 148786), (154, 128497), (209, 94682), (266, 74393), (418, 47341), (1463, 13526), (2926, 6763)]