19678547

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 25171200

約数和(自身を除く): 5492653

約数列:

[1, 7, 19, 23, 49, 133, 161, 437, 919, 931, 1127, 3059, 6433, 17461, 21137, 21413, 45031, 122227, 147959, 401603, 855589, 1035713, 2811221, 19678547]

約数ペア:

[(1, 19678547), (7, 2811221), (19, 1035713), (23, 855589), (49, 401603), (133, 147959), (161, 122227), (437, 45031), (919, 21413), (931, 21137), (1127, 17461), (3059, 6433)]