19129936

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1567}}^1$

素因数の和:1691

約数の個数: 40

約数和(自身を含む): 42775040

約数和(自身を除く): 23645104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1567, 1744, 3052, 3134, 6104, 6268, 10969, 12208, 12536, 21938, 25072, 43876, 87752, 170803, 175504, 341606, 683212, 1195621, 1366424, 2391242, 2732848, 4782484, 9564968, 19129936]

約数ペア:

[(1, 19129936), (2, 9564968), (4, 4782484), (7, 2732848), (8, 2391242), (14, 1366424), (16, 1195621), (28, 683212), (56, 341606), (109, 175504), (112, 170803), (218, 87752), (436, 43876), (763, 25072), (872, 21938), (1526, 12536), (1567, 12208), (1744, 10969), (3052, 6268), (3134, 6104)]