19383848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 42318720

約数和(自身を除く): 22934872

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 61, 88, 92, 122, 157, 184, 244, 253, 314, 488, 506, 628, 671, 1012, 1256, 1342, 1403, 1727, 2024, 2684, 2806, 3454, 3611, 5368, 5612, 6908, 7222, 9577, 11224, 13816, 14444, 15433, 19154, 28888, 30866, 38308, 39721, 61732, 76616, 79442, 105347, 123464, 158884, 210694, 220271, 317768, 421388, 440542, 842776, 881084, 1762168, 2422981, 4845962, 9691924, 19383848]

約数ペア:

[(1, 19383848), (2, 9691924), (4, 4845962), (8, 2422981), (11, 1762168), (22, 881084), (23, 842776), (44, 440542), (46, 421388), (61, 317768), (88, 220271), (92, 210694), (122, 158884), (157, 123464), (184, 105347), (244, 79442), (253, 76616), (314, 61732), (488, 39721), (506, 38308), (628, 30866), (671, 28888), (1012, 19154), (1256, 15433), (1342, 14444), (1403, 13816), (1727, 11224), (2024, 9577), (2684, 7222), (2806, 6908), (3454, 5612), (3611, 5368)]