19641952

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1$

素因数の和:1423

約数の個数: 48

約数和(自身を含む): 43246224

約数和(自身を除く): 23604272

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 82, 88, 164, 176, 328, 352, 451, 656, 902, 1312, 1361, 1804, 2722, 3608, 5444, 7216, 10888, 14432, 14971, 21776, 29942, 43552, 55801, 59884, 111602, 119768, 223204, 239536, 446408, 479072, 613811, 892816, 1227622, 1785632, 2455244, 4910488, 9820976, 19641952]

約数ペア:

[(1, 19641952), (2, 9820976), (4, 4910488), (8, 2455244), (11, 1785632), (16, 1227622), (22, 892816), (32, 613811), (41, 479072), (44, 446408), (82, 239536), (88, 223204), (164, 119768), (176, 111602), (328, 59884), (352, 55801), (451, 43552), (656, 29942), (902, 21776), (1312, 14971), (1361, 14432), (1804, 10888), (2722, 7216), (3608, 5444)]