17915671748

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{82051}}^1$

素因数の和:82117

約数の個数: 72

約数和(自身を含む): 37839100320

約数和(自身を除く): 19923428572

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 169, 221, 247, 323, 338, 442, 494, 646, 676, 884, 988, 1292, 2873, 3211, 4199, 5746, 6422, 8398, 11492, 12844, 16796, 54587, 82051, 109174, 164102, 218348, 328204, 1066663, 1394867, 1558969, 2133326, 2789734, 3117938, 4266652, 5579468, 6235876, 13866619, 18133271, 20266597, 26502473, 27733238, 36266542, 40533194, 53004946, 55466476, 72533084, 81066388, 106009892, 235732523, 263465761, 344532149, 471465046, 526931522, 689064298, 942930092, 1053863044, 1378128596, 4478917937, 8957835874, 17915671748]

約数ペア:

[(1, 17915671748), (2, 8957835874), (4, 4478917937), (13, 1378128596), (17, 1053863044), (19, 942930092), (26, 689064298), (34, 526931522), (38, 471465046), (52, 344532149), (68, 263465761), (76, 235732523), (169, 106009892), (221, 81066388), (247, 72533084), (323, 55466476), (338, 53004946), (442, 40533194), (494, 36266542), (646, 27733238), (676, 26502473), (884, 20266597), (988, 18133271), (1292, 13866619), (2873, 6235876), (3211, 5579468), (4199, 4266652), (5746, 3117938), (6422, 2789734), (8398, 2133326), (11492, 1558969), (12844, 1394867), (16796, 1066663), (54587, 328204), (82051, 218348), (109174, 164102)]