19422669

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3571}}^1$

素因数の和:3625

約数の個数: 24

約数和(自身を含む): 30947808

約数和(自身を除く): 11525139

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 3571, 5439, 10713, 24997, 74991, 132127, 174979, 396381, 524937, 924889, 2774667, 6474223, 19422669]

約数ペア:

[(1, 19422669), (3, 6474223), (7, 2774667), (21, 924889), (37, 524937), (49, 396381), (111, 174979), (147, 132127), (259, 74991), (777, 24997), (1813, 10713), (3571, 5439)]