19044571

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 24915968

約数和(自身を除く): 5871397

約数列:

[1, 7, 13, 31, 43, 91, 157, 217, 301, 403, 559, 1099, 1333, 2041, 2821, 3913, 4867, 6751, 9331, 14287, 17329, 34069, 47257, 63271, 87763, 121303, 209281, 442897, 614341, 1464967, 2720653, 19044571]

約数ペア:

[(1, 19044571), (7, 2720653), (13, 1464967), (31, 614341), (43, 442897), (91, 209281), (157, 121303), (217, 87763), (301, 63271), (403, 47257), (559, 34069), (1099, 17329), (1333, 14287), (2041, 9331), (2821, 6751), (3913, 4867)]