19915696794

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{953}}^1\times {\mathrm{2749}}^1$

素因数の和:3895

約数の個数: 64

約数和(自身を含む): 45837792000

約数和(自身を除く): 25922095206

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 181, 362, 543, 953, 1086, 1267, 1906, 2534, 2749, 2859, 3801, 5498, 5718, 6671, 7602, 8247, 13342, 16494, 19243, 20013, 38486, 40026, 57729, 115458, 172493, 344986, 497569, 517479, 995138, 1034958, 1207451, 1492707, 2414902, 2619797, 2985414, 3482983, 3622353, 5239594, 6965966, 7244706, 7859391, 10448949, 15718782, 18338579, 20897898, 36677158, 55015737, 110031474, 474183257, 948366514, 1422549771, 2845099542, 3319282799, 6638565598, 9957848397, 19915696794]

約数ペア:

[(1, 19915696794), (2, 9957848397), (3, 6638565598), (6, 3319282799), (7, 2845099542), (14, 1422549771), (21, 948366514), (42, 474183257), (181, 110031474), (362, 55015737), (543, 36677158), (953, 20897898), (1086, 18338579), (1267, 15718782), (1906, 10448949), (2534, 7859391), (2749, 7244706), (2859, 6965966), (3801, 5239594), (5498, 3622353), (5718, 3482983), (6671, 2985414), (7602, 2619797), (8247, 2414902), (13342, 1492707), (16494, 1207451), (19243, 1034958), (20013, 995138), (38486, 517479), (40026, 497569), (57729, 344986), (115458, 172493)]