18977238

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7927}}^1$

素因数の和:7961

約数の個数: 48

約数和(自身を含む): 49470720

約数和(自身を除く): 30493482

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 7927, 15854, 23781, 47562, 55489, 71343, 110978, 142686, 150613, 166467, 301226, 332934, 451839, 499401, 903678, 998802, 1054291, 1355517, 2108582, 2711034, 3162873, 6325746, 9488619, 18977238]

約数ペア:

[(1, 18977238), (2, 9488619), (3, 6325746), (6, 3162873), (7, 2711034), (9, 2108582), (14, 1355517), (18, 1054291), (19, 998802), (21, 903678), (38, 499401), (42, 451839), (57, 332934), (63, 301226), (114, 166467), (126, 150613), (133, 142686), (171, 110978), (266, 71343), (342, 55489), (399, 47562), (798, 23781), (1197, 15854), (2394, 7927)]