19492040841

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{74297}}^1$

素因数の和:74382

約数の個数: 48

約数和(自身を含む): 33052505472

約数和(自身を除く): 13560464631

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 961, 1209, 2821, 2883, 6727, 8463, 12493, 20181, 37479, 74297, 87451, 222891, 262353, 520079, 965861, 1560237, 2303207, 2897583, 6761027, 6909621, 16122449, 20283081, 29941691, 48367347, 71399417, 89825073, 209591837, 214198251, 499795919, 628775511, 928192421, 1499387757, 2784577263, 6497346947, 19492040841]

約数ペア:

[(1, 19492040841), (3, 6497346947), (7, 2784577263), (13, 1499387757), (21, 928192421), (31, 628775511), (39, 499795919), (91, 214198251), (93, 209591837), (217, 89825073), (273, 71399417), (403, 48367347), (651, 29941691), (961, 20283081), (1209, 16122449), (2821, 6909621), (2883, 6761027), (6727, 2897583), (8463, 2303207), (12493, 1560237), (20181, 965861), (37479, 520079), (74297, 262353), (87451, 222891)]