19649728

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1907}}^1$

素因数の和:1949

約数の個数: 56

約数和(自身を含む): 46524672

約数和(自身を除く): 26874944

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 161, 184, 224, 322, 368, 448, 644, 736, 1288, 1472, 1907, 2576, 3814, 5152, 7628, 10304, 13349, 15256, 26698, 30512, 43861, 53396, 61024, 87722, 106792, 122048, 175444, 213584, 307027, 350888, 427168, 614054, 701776, 854336, 1228108, 1403552, 2456216, 2807104, 4912432, 9824864, 19649728]

約数ペア:

[(1, 19649728), (2, 9824864), (4, 4912432), (7, 2807104), (8, 2456216), (14, 1403552), (16, 1228108), (23, 854336), (28, 701776), (32, 614054), (46, 427168), (56, 350888), (64, 307027), (92, 213584), (112, 175444), (161, 122048), (184, 106792), (224, 87722), (322, 61024), (368, 53396), (448, 43861), (644, 30512), (736, 26698), (1288, 15256), (1472, 13349), (1907, 10304), (2576, 7628), (3814, 5152)]