19983942

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1979}}^1$

素因数の和:2018

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 31337658

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 27, 33, 34, 51, 54, 66, 99, 102, 153, 187, 198, 297, 306, 374, 459, 561, 594, 918, 1122, 1683, 1979, 3366, 3958, 5049, 5937, 10098, 11874, 17811, 21769, 33643, 35622, 43538, 53433, 65307, 67286, 100929, 106866, 130614, 195921, 201858, 302787, 370073, 391842, 587763, 605574, 740146, 908361, 1110219, 1175526, 1816722, 2220438, 3330657, 6661314, 9991971, 19983942]

約数ペア:

[(1, 19983942), (2, 9991971), (3, 6661314), (6, 3330657), (9, 2220438), (11, 1816722), (17, 1175526), (18, 1110219), (22, 908361), (27, 740146), (33, 605574), (34, 587763), (51, 391842), (54, 370073), (66, 302787), (99, 201858), (102, 195921), (153, 130614), (187, 106866), (198, 100929), (297, 67286), (306, 65307), (374, 53433), (459, 43538), (561, 35622), (594, 33643), (918, 21769), (1122, 17811), (1683, 11874), (1979, 10098), (3366, 5937), (3958, 5049)]