18793856

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 39841200

約数和(自身を除く): 21047344

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 61, 64, 83, 116, 122, 128, 166, 232, 244, 332, 464, 488, 664, 928, 976, 1328, 1769, 1856, 1952, 2407, 2656, 3538, 3712, 3904, 4814, 5063, 5312, 7076, 7808, 9628, 10126, 10624, 14152, 19256, 20252, 28304, 38512, 40504, 56608, 77024, 81008, 113216, 146827, 154048, 162016, 226432, 293654, 308096, 324032, 587308, 648064, 1174616, 2349232, 4698464, 9396928, 18793856]

約数ペア:

[(1, 18793856), (2, 9396928), (4, 4698464), (8, 2349232), (16, 1174616), (29, 648064), (32, 587308), (58, 324032), (61, 308096), (64, 293654), (83, 226432), (116, 162016), (122, 154048), (128, 146827), (166, 113216), (232, 81008), (244, 77024), (332, 56608), (464, 40504), (488, 38512), (664, 28304), (928, 20252), (976, 19256), (1328, 14152), (1769, 10624), (1856, 10126), (1952, 9628), (2407, 7808), (2656, 7076), (3538, 5312), (3712, 5063), (3904, 4814)]