2018123912

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{3863}}^1$

素因数の和:4386

約数の個数: 64

約数和(自身を含む): 4562611200

約数和(自身を除く): 2544487288

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 491, 532, 982, 1064, 1964, 3437, 3863, 3928, 6874, 7726, 9329, 13748, 15452, 18658, 27041, 27496, 30904, 37316, 54082, 65303, 73397, 74632, 108164, 130606, 146794, 216328, 261212, 293588, 513779, 522424, 587176, 1027558, 1896733, 2055116, 3793466, 4110232, 7586932, 13277131, 15173864, 26554262, 36037927, 53108524, 72075854, 106217048, 144151708, 252265489, 288303416, 504530978, 1009061956, 2018123912]

約数ペア:

[(1, 2018123912), (2, 1009061956), (4, 504530978), (7, 288303416), (8, 252265489), (14, 144151708), (19, 106217048), (28, 72075854), (38, 53108524), (56, 36037927), (76, 26554262), (133, 15173864), (152, 13277131), (266, 7586932), (491, 4110232), (532, 3793466), (982, 2055116), (1064, 1896733), (1964, 1027558), (3437, 587176), (3863, 522424), (3928, 513779), (6874, 293588), (7726, 261212), (9329, 216328), (13748, 146794), (15452, 130606), (18658, 108164), (27041, 74632), (27496, 73397), (30904, 65303), (37316, 54082)]