19489184

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4259}}^1$

素因数の和:4293

約数の個数: 48

約数和(自身を含む): 45087840

約数和(自身を除く): 25598656

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4259, 4576, 8518, 17036, 34072, 46849, 55367, 68144, 93698, 110734, 136288, 187396, 221468, 374792, 442936, 609037, 749584, 885872, 1218074, 1499168, 1771744, 2436148, 4872296, 9744592, 19489184]

約数ペア:

[(1, 19489184), (2, 9744592), (4, 4872296), (8, 2436148), (11, 1771744), (13, 1499168), (16, 1218074), (22, 885872), (26, 749584), (32, 609037), (44, 442936), (52, 374792), (88, 221468), (104, 187396), (143, 136288), (176, 110734), (208, 93698), (286, 68144), (352, 55367), (416, 46849), (572, 34072), (1144, 17036), (2288, 8518), (4259, 4576)]