1918784528

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{27077}}^1$

素因数の和:27231

約数の個数: 40

約数和(自身を含む): 3841176768

約数和(自身を除く): 1922392240

約数列:

[1, 2, 4, 8, 16, 43, 86, 103, 172, 206, 344, 412, 688, 824, 1648, 4429, 8858, 17716, 27077, 35432, 54154, 70864, 108308, 216616, 433232, 1164311, 2328622, 2788931, 4657244, 5577862, 9314488, 11155724, 18628976, 22311448, 44622896, 119924033, 239848066, 479696132, 959392264, 1918784528]

約数ペア:

[(1, 1918784528), (2, 959392264), (4, 479696132), (8, 239848066), (16, 119924033), (43, 44622896), (86, 22311448), (103, 18628976), (172, 11155724), (206, 9314488), (344, 5577862), (412, 4657244), (688, 2788931), (824, 2328622), (1648, 1164311), (4429, 433232), (8858, 216616), (17716, 108308), (27077, 70864), (35432, 54154)]