18804559293

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{2141}}^1$

素因数の和:2624

約数の個数: 80

約数和(自身を含む): 31931222400

約数和(自身を除く): 13126663107

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 439, 513, 741, 1053, 1317, 1539, 2141, 2223, 3951, 5707, 6423, 6669, 8341, 11853, 17121, 19269, 20007, 25023, 27833, 35559, 40679, 51363, 57807, 75069, 83499, 108433, 122037, 154089, 173421, 225207, 250497, 325299, 366111, 462267, 528827, 675621, 751491, 939899, 975897, 1098333, 1586481, 2254473, 2819697, 2927691, 3294999, 4759443, 8459091, 8783073, 12218687, 14278329, 17858081, 25377273, 36656061, 42834987, 53574243, 76131819, 109968183, 160722729, 232155053, 329904549, 482168187, 696465159, 989713647, 1446504561, 2089395477, 6268186431, 18804559293]

約数ペア:

[(1, 18804559293), (3, 6268186431), (9, 2089395477), (13, 1446504561), (19, 989713647), (27, 696465159), (39, 482168187), (57, 329904549), (81, 232155053), (117, 160722729), (171, 109968183), (247, 76131819), (351, 53574243), (439, 42834987), (513, 36656061), (741, 25377273), (1053, 17858081), (1317, 14278329), (1539, 12218687), (2141, 8783073), (2223, 8459091), (3951, 4759443), (5707, 3294999), (6423, 2927691), (6669, 2819697), (8341, 2254473), (11853, 1586481), (17121, 1098333), (19269, 975897), (20007, 939899), (25023, 751491), (27833, 675621), (35559, 528827), (40679, 462267), (51363, 366111), (57807, 325299), (75069, 250497), (83499, 225207), (108433, 173421), (122037, 154089)]