19792528

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 27347312

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 71, 76, 112, 131, 133, 142, 152, 262, 266, 284, 304, 497, 524, 532, 568, 917, 994, 1048, 1064, 1136, 1349, 1834, 1988, 2096, 2128, 2489, 2698, 3668, 3976, 4978, 5396, 7336, 7952, 9301, 9443, 9956, 10792, 14672, 17423, 18602, 18886, 19912, 21584, 34846, 37204, 37772, 39824, 65107, 69692, 74408, 75544, 130214, 139384, 148816, 151088, 176719, 260428, 278768, 353438, 520856, 706876, 1041712, 1237033, 1413752, 2474066, 2827504, 4948132, 9896264, 19792528]

約数ペア:

[(1, 19792528), (2, 9896264), (4, 4948132), (7, 2827504), (8, 2474066), (14, 1413752), (16, 1237033), (19, 1041712), (28, 706876), (38, 520856), (56, 353438), (71, 278768), (76, 260428), (112, 176719), (131, 151088), (133, 148816), (142, 139384), (152, 130214), (262, 75544), (266, 74408), (284, 69692), (304, 65107), (497, 39824), (524, 37772), (532, 37204), (568, 34846), (917, 21584), (994, 19912), (1048, 18886), (1064, 18602), (1136, 17423), (1349, 14672), (1834, 10792), (1988, 9956), (2096, 9443), (2128, 9301), (2489, 7952), (2698, 7336), (3668, 5396), (3976, 4978)]