19528060503

素因数分解:

$3^1\times 7^4\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1559}}^1$

素因数の和:1674

約数の個数: 80

約数和(自身を含む): 31880309760

約数和(自身を除く): 12352249257

約数列:

[1, 3, 7, 21, 37, 47, 49, 111, 141, 147, 259, 329, 343, 777, 987, 1029, 1559, 1739, 1813, 2303, 2401, 4677, 5217, 5439, 6909, 7203, 10913, 12173, 12691, 16121, 32739, 36519, 38073, 48363, 57683, 73273, 76391, 85211, 88837, 112847, 173049, 219819, 229173, 255633, 266511, 338541, 403781, 512911, 534737, 596477, 1211343, 1538733, 1604211, 1789431, 2711101, 2826467, 3590377, 3743159, 4175339, 8133303, 8479401, 10771131, 11229477, 12526017, 18977707, 19785269, 25132639, 56933121, 59355807, 75397917, 132843949, 138496883, 175928473, 398531847, 415490649, 527785419, 929907643, 2789722929, 6509353501, 19528060503]

約数ペア:

[(1, 19528060503), (3, 6509353501), (7, 2789722929), (21, 929907643), (37, 527785419), (47, 415490649), (49, 398531847), (111, 175928473), (141, 138496883), (147, 132843949), (259, 75397917), (329, 59355807), (343, 56933121), (777, 25132639), (987, 19785269), (1029, 18977707), (1559, 12526017), (1739, 11229477), (1813, 10771131), (2303, 8479401), (2401, 8133303), (4677, 4175339), (5217, 3743159), (5439, 3590377), (6909, 2826467), (7203, 2711101), (10913, 1789431), (12173, 1604211), (12691, 1538733), (16121, 1211343), (32739, 596477), (36519, 534737), (38073, 512911), (48363, 403781), (57683, 338541), (73273, 266511), (76391, 255633), (85211, 229173), (88837, 219819), (112847, 173049)]