19502876

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{16871}}^1$

素因数の和:16909

約数の個数: 18

約数和(自身を含む): 36257928

約数和(自身を除く): 16755052

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 16871, 33742, 67484, 286807, 573614, 1147228, 4875719, 9751438, 19502876]

約数ペア:

[(1, 19502876), (2, 9751438), (4, 4875719), (17, 1147228), (34, 573614), (68, 286807), (289, 67484), (578, 33742), (1156, 16871)]