19926683

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 24692400

約数和(自身を除く): 4765717

約数列:

[1, 7, 29, 37, 49, 203, 259, 379, 1073, 1421, 1813, 2653, 7511, 10991, 14023, 18571, 52577, 76937, 98161, 406667, 538559, 687127, 2846669, 19926683]

約数ペア:

[(1, 19926683), (7, 2846669), (29, 687127), (37, 538559), (49, 406667), (203, 98161), (259, 76937), (379, 52577), (1073, 18571), (1421, 14023), (1813, 10991), (2653, 7511)]