19824505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 26864640

約数和(自身を除く): 7040135

約数列:

[1, 5, 19, 23, 43, 95, 115, 211, 215, 437, 817, 989, 1055, 2185, 4009, 4085, 4853, 4945, 9073, 18791, 20045, 24265, 45365, 92207, 93955, 172387, 208679, 461035, 861935, 1043395, 3964901, 19824505]

約数ペア:

[(1, 19824505), (5, 3964901), (19, 1043395), (23, 861935), (43, 461035), (95, 208679), (115, 172387), (211, 93955), (215, 92207), (437, 45365), (817, 24265), (989, 20045), (1055, 18791), (2185, 9073), (4009, 4945), (4085, 4853)]