19415795

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 8785165

約数列:

[1, 5, 7, 23, 35, 89, 115, 161, 271, 445, 623, 805, 1355, 1897, 2047, 3115, 6233, 9485, 10235, 14329, 24119, 31165, 43631, 71645, 120595, 168833, 218155, 554737, 844165, 2773685, 3883159, 19415795]

約数ペア:

[(1, 19415795), (5, 3883159), (7, 2773685), (23, 844165), (35, 554737), (89, 218155), (115, 168833), (161, 120595), (271, 71645), (445, 43631), (623, 31165), (805, 24119), (1355, 14329), (1897, 10235), (2047, 9485), (3115, 6233)]