20194011908

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{16091}}^1$

素因数の和:16465

約数の個数: 72

約数和(自身を含む): 43403986080

約数和(自身を除く): 23209974172

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 337, 532, 674, 931, 1348, 1862, 2359, 3724, 4718, 6403, 9436, 12806, 16091, 16513, 25612, 32182, 33026, 44821, 64364, 66052, 89642, 112637, 179284, 225274, 305729, 313747, 450548, 611458, 627494, 788459, 1222916, 1254988, 1576918, 2140103, 3153836, 4280206, 5422667, 8560412, 10845334, 14980721, 21690668, 29961442, 37958669, 59922884, 75917338, 103030673, 151834676, 206061346, 265710683, 412122692, 531421366, 721214711, 1062842732, 1442429422, 2884858844, 5048502977, 10097005954, 20194011908]

約数ペア:

[(1, 20194011908), (2, 10097005954), (4, 5048502977), (7, 2884858844), (14, 1442429422), (19, 1062842732), (28, 721214711), (38, 531421366), (49, 412122692), (76, 265710683), (98, 206061346), (133, 151834676), (196, 103030673), (266, 75917338), (337, 59922884), (532, 37958669), (674, 29961442), (931, 21690668), (1348, 14980721), (1862, 10845334), (2359, 8560412), (3724, 5422667), (4718, 4280206), (6403, 3153836), (9436, 2140103), (12806, 1576918), (16091, 1254988), (16513, 1222916), (25612, 788459), (32182, 627494), (33026, 611458), (44821, 450548), (64364, 313747), (66052, 305729), (89642, 225274), (112637, 179284)]