18808225413

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{218591}}^1$

素因数の和:218689

約数の個数: 32

約数和(自身を含む): 27699978240

約数和(自身を除く): 8891752827

約数列:

[1, 3, 23, 29, 43, 69, 87, 129, 667, 989, 1247, 2001, 2967, 3741, 28681, 86043, 218591, 655773, 5027593, 6339139, 9399413, 15082779, 19017417, 28198239, 145800197, 216186499, 272582977, 437400591, 648559497, 817748931, 6269408471, 18808225413]

約数ペア:

[(1, 18808225413), (3, 6269408471), (23, 817748931), (29, 648559497), (43, 437400591), (69, 272582977), (87, 216186499), (129, 145800197), (667, 28198239), (989, 19017417), (1247, 15082779), (2001, 9399413), (2967, 6339139), (3741, 5027593), (28681, 655773), (86043, 218591)]