19579495

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 28460160

約数和(自身を除く): 8880665

約数列:

[1, 5, 13, 17, 29, 47, 65, 85, 145, 169, 221, 235, 377, 493, 611, 799, 845, 1105, 1363, 1885, 2465, 2873, 3055, 3995, 4901, 6409, 6815, 7943, 10387, 14365, 17719, 23171, 24505, 32045, 39715, 51935, 83317, 88595, 115855, 135031, 230347, 301223, 416585, 675155, 1151735, 1506115, 3915899, 19579495]

約数ペア:

[(1, 19579495), (5, 3915899), (13, 1506115), (17, 1151735), (29, 675155), (47, 416585), (65, 301223), (85, 230347), (145, 135031), (169, 115855), (221, 88595), (235, 83317), (377, 51935), (493, 39715), (611, 32045), (799, 24505), (845, 23171), (1105, 17719), (1363, 14365), (1885, 10387), (2465, 7943), (2873, 6815), (3055, 6409), (3995, 4901)]