19895168

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 43182720

約数和(自身を除く): 23287552

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 64, 68, 82, 128, 136, 164, 223, 272, 328, 446, 544, 656, 697, 892, 1088, 1312, 1394, 1784, 2176, 2624, 2788, 3568, 3791, 5248, 5576, 7136, 7582, 9143, 11152, 14272, 15164, 18286, 22304, 28544, 30328, 36572, 44608, 60656, 73144, 89216, 121312, 146288, 155431, 242624, 292576, 310862, 485248, 585152, 621724, 1170304, 1243448, 2486896, 4973792, 9947584, 19895168]

約数ペア:

[(1, 19895168), (2, 9947584), (4, 4973792), (8, 2486896), (16, 1243448), (17, 1170304), (32, 621724), (34, 585152), (41, 485248), (64, 310862), (68, 292576), (82, 242624), (128, 155431), (136, 146288), (164, 121312), (223, 89216), (272, 73144), (328, 60656), (446, 44608), (544, 36572), (656, 30328), (697, 28544), (892, 22304), (1088, 18286), (1312, 15164), (1394, 14272), (1784, 11152), (2176, 9143), (2624, 7582), (2788, 7136), (3568, 5576), (3791, 5248)]