18556768

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1379

約数の個数: 48

約数和(自身を含む): 40158720

約数和(自身を除く): 21601952

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 92, 152, 184, 304, 368, 437, 608, 736, 874, 1327, 1748, 2654, 3496, 5308, 6992, 10616, 13984, 21232, 25213, 30521, 42464, 50426, 61042, 100852, 122084, 201704, 244168, 403408, 488336, 579899, 806816, 976672, 1159798, 2319596, 4639192, 9278384, 18556768]

約数ペア:

[(1, 18556768), (2, 9278384), (4, 4639192), (8, 2319596), (16, 1159798), (19, 976672), (23, 806816), (32, 579899), (38, 488336), (46, 403408), (76, 244168), (92, 201704), (152, 122084), (184, 100852), (304, 61042), (368, 50426), (437, 42464), (608, 30521), (736, 25213), (874, 21232), (1327, 13984), (1748, 10616), (2654, 6992), (3496, 5308)]