19662608

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 48211200

約数和(自身を除く): 28548592

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 46, 56, 68, 92, 112, 119, 136, 161, 184, 238, 272, 322, 368, 391, 449, 476, 644, 782, 898, 952, 1288, 1564, 1796, 1904, 2576, 2737, 3128, 3143, 3592, 5474, 6256, 6286, 7184, 7633, 10327, 10948, 12572, 15266, 20654, 21896, 25144, 30532, 41308, 43792, 50288, 53431, 61064, 72289, 82616, 106862, 122128, 144578, 165232, 175559, 213724, 289156, 351118, 427448, 578312, 702236, 854896, 1156624, 1228913, 1404472, 2457826, 2808944, 4915652, 9831304, 19662608]

約数ペア:

[(1, 19662608), (2, 9831304), (4, 4915652), (7, 2808944), (8, 2457826), (14, 1404472), (16, 1228913), (17, 1156624), (23, 854896), (28, 702236), (34, 578312), (46, 427448), (56, 351118), (68, 289156), (92, 213724), (112, 175559), (119, 165232), (136, 144578), (161, 122128), (184, 106862), (238, 82616), (272, 72289), (322, 61064), (368, 53431), (391, 50288), (449, 43792), (476, 41308), (644, 30532), (782, 25144), (898, 21896), (952, 20654), (1288, 15266), (1564, 12572), (1796, 10948), (1904, 10327), (2576, 7633), (2737, 7184), (3128, 6286), (3143, 6256), (3592, 5474)]