19670497

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 26542080

約数和(自身を除く): 6871583

約数列:

[1, 7, 11, 23, 29, 77, 161, 203, 253, 319, 383, 667, 1771, 2233, 2681, 4213, 4669, 7337, 8809, 11107, 29491, 51359, 61663, 77749, 96899, 122177, 255461, 678293, 855239, 1788227, 2810071, 19670497]

約数ペア:

[(1, 19670497), (7, 2810071), (11, 1788227), (23, 855239), (29, 678293), (77, 255461), (161, 122177), (203, 96899), (253, 77749), (319, 61663), (383, 51359), (667, 29491), (1771, 11107), (2233, 8809), (2681, 7337), (4213, 4669)]