2019901952

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3989}}^1$

素因数の和:4073

約数の個数: 80

約数和(自身を含む): 4310349120

約数和(自身を除く): 2290447168

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 64, 86, 92, 128, 172, 184, 256, 344, 368, 512, 688, 736, 989, 1376, 1472, 1978, 2752, 2944, 3956, 3989, 5504, 5888, 7912, 7978, 11008, 11776, 15824, 15956, 22016, 31648, 31912, 63296, 63824, 91747, 126592, 127648, 171527, 183494, 253184, 255296, 343054, 366988, 506368, 510592, 686108, 733976, 1021184, 1372216, 1467952, 2042368, 2744432, 2935904, 3945121, 5488864, 5871808, 7890242, 10977728, 11743616, 15780484, 21955456, 23487232, 31560968, 43910912, 46974464, 63121936, 87821824, 126243872, 252487744, 504975488, 1009950976, 2019901952]

約数ペア:

[(1, 2019901952), (2, 1009950976), (4, 504975488), (8, 252487744), (16, 126243872), (23, 87821824), (32, 63121936), (43, 46974464), (46, 43910912), (64, 31560968), (86, 23487232), (92, 21955456), (128, 15780484), (172, 11743616), (184, 10977728), (256, 7890242), (344, 5871808), (368, 5488864), (512, 3945121), (688, 2935904), (736, 2744432), (989, 2042368), (1376, 1467952), (1472, 1372216), (1978, 1021184), (2752, 733976), (2944, 686108), (3956, 510592), (3989, 506368), (5504, 366988), (5888, 343054), (7912, 255296), (7978, 253184), (11008, 183494), (11776, 171527), (15824, 127648), (15956, 126592), (22016, 91747), (31648, 63824), (31912, 63296)]