18991170088

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{215808751}}^1$

素因数の和:215808768

約数の個数: 16

約数和(自身を含む): 38845575360

約数和(自身を除く): 19854405272

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 215808751, 431617502, 863235004, 1726470008, 2373896261, 4747792522, 9495585044, 18991170088]

約数ペア:

[(1, 18991170088), (2, 9495585044), (4, 4747792522), (8, 2373896261), (11, 1726470008), (22, 863235004), (44, 431617502), (88, 215808751)]