19667249

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 5734351

約数列:

[1, 7, 17, 29, 41, 119, 139, 203, 287, 493, 697, 973, 1189, 2363, 3451, 4031, 4879, 5699, 8323, 16541, 20213, 28217, 39893, 68527, 96883, 141491, 165271, 479689, 678181, 1156897, 2809607, 19667249]

約数ペア:

[(1, 19667249), (7, 2809607), (17, 1156897), (29, 678181), (41, 479689), (119, 165271), (139, 141491), (203, 96883), (287, 68527), (493, 39893), (697, 28217), (973, 20213), (1189, 16541), (2363, 8323), (3451, 5699), (4031, 4879)]