19984308

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{11981}}^1$

素因数の和:12127

約数の個数: 24

約数和(自身を含む): 46969440

約数和(自身を除く): 26985132

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 11981, 23962, 35943, 47924, 71886, 143772, 1665359, 3330718, 4996077, 6661436, 9992154, 19984308]

約数ペア:

[(1, 19984308), (2, 9992154), (3, 6661436), (4, 4996077), (6, 3330718), (12, 1665359), (139, 143772), (278, 71886), (417, 47924), (556, 35943), (834, 23962), (1668, 11981)]