19954656

素因数分解:

$2^5\times 3^2\times {\mathrm{193}}^1\times {\mathrm{359}}^1$

素因数の和:568

約数の個数: 72

約数和(自身を含む): 57198960

約数和(自身を除く): 37244304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 193, 288, 359, 386, 579, 718, 772, 1077, 1158, 1436, 1544, 1737, 2154, 2316, 2872, 3088, 3231, 3474, 4308, 4632, 5744, 6176, 6462, 6948, 8616, 9264, 11488, 12924, 13896, 17232, 18528, 25848, 27792, 34464, 51696, 55584, 69287, 103392, 138574, 207861, 277148, 415722, 554296, 623583, 831444, 1108592, 1247166, 1662888, 2217184, 2494332, 3325776, 4988664, 6651552, 9977328, 19954656]

約数ペア:

[(1, 19954656), (2, 9977328), (3, 6651552), (4, 4988664), (6, 3325776), (8, 2494332), (9, 2217184), (12, 1662888), (16, 1247166), (18, 1108592), (24, 831444), (32, 623583), (36, 554296), (48, 415722), (72, 277148), (96, 207861), (144, 138574), (193, 103392), (288, 69287), (359, 55584), (386, 51696), (579, 34464), (718, 27792), (772, 25848), (1077, 18528), (1158, 17232), (1436, 13896), (1544, 12924), (1737, 11488), (2154, 9264), (2316, 8616), (2872, 6948), (3088, 6462), (3231, 6176), (3474, 5744), (4308, 4632)]