19093888

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 23207552

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 88, 128, 142, 176, 191, 284, 352, 382, 568, 704, 764, 781, 1136, 1408, 1528, 1562, 2101, 2272, 3056, 3124, 4202, 4544, 6112, 6248, 8404, 9088, 12224, 12496, 13561, 16808, 24448, 24992, 27122, 33616, 49984, 54244, 67232, 99968, 108488, 134464, 149171, 216976, 268928, 298342, 433952, 596684, 867904, 1193368, 1735808, 2386736, 4773472, 9546944, 19093888]

約数ペア:

[(1, 19093888), (2, 9546944), (4, 4773472), (8, 2386736), (11, 1735808), (16, 1193368), (22, 867904), (32, 596684), (44, 433952), (64, 298342), (71, 268928), (88, 216976), (128, 149171), (142, 134464), (176, 108488), (191, 99968), (284, 67232), (352, 54244), (382, 49984), (568, 33616), (704, 27122), (764, 24992), (781, 24448), (1136, 16808), (1408, 13561), (1528, 12496), (1562, 12224), (2101, 9088), (2272, 8404), (3056, 6248), (3124, 6112), (4202, 4544)]