19963465416

素因数分解:

$2^3\times 3^4\times {\mathrm{239}}^1\times {\mathrm{128903}}^1$

素因数の和:129160

約数の個数: 80

約数和(自身を含む): 56150582400

約数和(自身を除く): 36187116984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 239, 324, 478, 648, 717, 956, 1434, 1912, 2151, 2868, 4302, 5736, 6453, 8604, 12906, 17208, 19359, 25812, 38718, 51624, 77436, 128903, 154872, 257806, 386709, 515612, 773418, 1031224, 1160127, 1546836, 2320254, 3093672, 3480381, 4640508, 6960762, 9281016, 10441143, 13921524, 20882286, 27843048, 30807817, 41764572, 61615634, 83529144, 92423451, 123231268, 184846902, 246462536, 277270353, 369693804, 554540706, 739387608, 831811059, 1109081412, 1663622118, 2218162824, 2495433177, 3327244236, 4990866354, 6654488472, 9981732708, 19963465416]

約数ペア:

[(1, 19963465416), (2, 9981732708), (3, 6654488472), (4, 4990866354), (6, 3327244236), (8, 2495433177), (9, 2218162824), (12, 1663622118), (18, 1109081412), (24, 831811059), (27, 739387608), (36, 554540706), (54, 369693804), (72, 277270353), (81, 246462536), (108, 184846902), (162, 123231268), (216, 92423451), (239, 83529144), (324, 61615634), (478, 41764572), (648, 30807817), (717, 27843048), (956, 20882286), (1434, 13921524), (1912, 10441143), (2151, 9281016), (2868, 6960762), (4302, 4640508), (5736, 3480381), (6453, 3093672), (8604, 2320254), (12906, 1546836), (17208, 1160127), (19359, 1031224), (25812, 773418), (38718, 515612), (51624, 386709), (77436, 257806), (128903, 154872)]