19989564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{237971}}^1$

素因数の和:237985

約数の個数: 24

約数和(自身を含む): 53305728

約数和(自身を除く): 33316164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 237971, 475942, 713913, 951884, 1427826, 1665797, 2855652, 3331594, 4997391, 6663188, 9994782, 19989564]

約数ペア:

[(1, 19989564), (2, 9994782), (3, 6663188), (4, 4997391), (6, 3331594), (7, 2855652), (12, 1665797), (14, 1427826), (21, 951884), (28, 713913), (42, 475942), (84, 237971)]