19261172

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6311}}^1$

素因数の和:6431

約数の個数: 24

約数和(自身を含む): 38881920

約数和(自身を除く): 19620748

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 6311, 12622, 25244, 44177, 88354, 176708, 687899, 1375798, 2751596, 4815293, 9630586, 19261172]

約数ペア:

[(1, 19261172), (2, 9630586), (4, 4815293), (7, 2751596), (14, 1375798), (28, 687899), (109, 176708), (218, 88354), (436, 44177), (763, 25244), (1526, 12622), (3052, 6311)]