19396768

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 39584160

約数和(自身を除く): 20187392

約数列:

[1, 2, 4, 8, 16, 32, 67, 83, 109, 134, 166, 218, 268, 332, 436, 536, 664, 872, 1072, 1328, 1744, 2144, 2656, 3488, 5561, 7303, 9047, 11122, 14606, 18094, 22244, 29212, 36188, 44488, 58424, 72376, 88976, 116848, 144752, 177952, 233696, 289504, 606149, 1212298, 2424596, 4849192, 9698384, 19396768]

約数ペア:

[(1, 19396768), (2, 9698384), (4, 4849192), (8, 2424596), (16, 1212298), (32, 606149), (67, 289504), (83, 233696), (109, 177952), (134, 144752), (166, 116848), (218, 88976), (268, 72376), (332, 58424), (436, 44488), (536, 36188), (664, 29212), (872, 22244), (1072, 18094), (1328, 14606), (1744, 11122), (2144, 9047), (2656, 7303), (3488, 5561)]