19991244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18307}}^1$

素因数の和:18334

約数の個数: 48

約数和(自身を含む): 57413888

約数和(自身を除く): 37422644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18307, 36614, 54921, 73228, 109842, 128149, 219684, 237991, 256298, 384447, 475982, 512596, 713973, 768894, 951964, 1427946, 1537788, 1665937, 2855892, 3331874, 4997811, 6663748, 9995622, 19991244]

約数ペア:

[(1, 19991244), (2, 9995622), (3, 6663748), (4, 4997811), (6, 3331874), (7, 2855892), (12, 1665937), (13, 1537788), (14, 1427946), (21, 951964), (26, 768894), (28, 713973), (39, 512596), (42, 475982), (52, 384447), (78, 256298), (84, 237991), (91, 219684), (156, 128149), (182, 109842), (273, 73228), (364, 54921), (546, 36614), (1092, 18307)]