219067568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{720617}}^1$

素因数の和:720644

約数の個数: 20

約数和(自身を含む): 446783160

約数和(自身を除く): 227715592

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 720617, 1441234, 2882468, 5764936, 11529872, 13691723, 27383446, 54766892, 109533784, 219067568]

約数ペア:

[(1, 219067568), (2, 109533784), (4, 54766892), (8, 27383446), (16, 13691723), (19, 11529872), (38, 5764936), (76, 2882468), (152, 1441234), (304, 720617)]