19915694478

素因数分解:

$2^1\times 3^3\times {\mathrm{277}}^1\times {\mathrm{503}}^1\times {\mathrm{2647}}^1$

素因数の和:3438

約数の個数: 64

約数和(自身を含む): 44521989120

約数和(自身を除く): 24606294642

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 277, 503, 554, 831, 1006, 1509, 1662, 2493, 2647, 3018, 4527, 4986, 5294, 7479, 7941, 9054, 13581, 14958, 15882, 23823, 27162, 47646, 71469, 139331, 142938, 278662, 417993, 733219, 835986, 1253979, 1331441, 1466438, 2199657, 2507958, 2662882, 3761937, 3994323, 4399314, 6598971, 7523874, 7988646, 11982969, 13197942, 19796913, 23965938, 35948907, 39593826, 71897814, 368809157, 737618314, 1106427471, 2212854942, 3319282413, 6638564826, 9957847239, 19915694478]

約数ペア:

[(1, 19915694478), (2, 9957847239), (3, 6638564826), (6, 3319282413), (9, 2212854942), (18, 1106427471), (27, 737618314), (54, 368809157), (277, 71897814), (503, 39593826), (554, 35948907), (831, 23965938), (1006, 19796913), (1509, 13197942), (1662, 11982969), (2493, 7988646), (2647, 7523874), (3018, 6598971), (4527, 4399314), (4986, 3994323), (5294, 3761937), (7479, 2662882), (7941, 2507958), (9054, 2199657), (13581, 1466438), (14958, 1331441), (15882, 1253979), (23823, 835986), (27162, 733219), (47646, 417993), (71469, 278662), (139331, 142938)]