19961792

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:297

約数の個数: 56

約数和(自身を含む): 42135552

約数和(自身を除く): 22173760

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 71, 92, 142, 184, 191, 284, 368, 382, 568, 736, 764, 1136, 1472, 1528, 1633, 2272, 3056, 3266, 4393, 4544, 6112, 6532, 8786, 12224, 13064, 13561, 17572, 26128, 27122, 35144, 52256, 54244, 70288, 104512, 108488, 140576, 216976, 281152, 311903, 433952, 623806, 867904, 1247612, 2495224, 4990448, 9980896, 19961792]

約数ペア:

[(1, 19961792), (2, 9980896), (4, 4990448), (8, 2495224), (16, 1247612), (23, 867904), (32, 623806), (46, 433952), (64, 311903), (71, 281152), (92, 216976), (142, 140576), (184, 108488), (191, 104512), (284, 70288), (368, 54244), (382, 52256), (568, 35144), (736, 27122), (764, 26128), (1136, 17572), (1472, 13561), (1528, 13064), (1633, 12224), (2272, 8786), (3056, 6532), (3266, 6112), (4393, 4544)]