19948003658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1\times {\mathrm{631}}^1$

素因数の和:1299

約数の個数: 64

約数和(自身を含む): 34112710656

約数和(自身を除く): 14164706998

約数列:

[1, 2, 11, 22, 37, 71, 74, 142, 407, 547, 631, 781, 814, 1094, 1262, 1562, 2627, 5254, 6017, 6941, 12034, 13882, 20239, 23347, 28897, 38837, 40478, 44801, 46694, 57794, 77674, 89602, 222629, 256817, 345157, 427207, 445258, 492811, 513634, 690314, 854414, 985622, 1436969, 1657637, 2873938, 3315274, 3796727, 7593454, 12770809, 15806659, 18234007, 24506147, 25541618, 31613318, 36468014, 49012294, 140478899, 269567617, 280957798, 539135234, 906727439, 1813454878, 9974001829, 19948003658]

約数ペア:

[(1, 19948003658), (2, 9974001829), (11, 1813454878), (22, 906727439), (37, 539135234), (71, 280957798), (74, 269567617), (142, 140478899), (407, 49012294), (547, 36468014), (631, 31613318), (781, 25541618), (814, 24506147), (1094, 18234007), (1262, 15806659), (1562, 12770809), (2627, 7593454), (5254, 3796727), (6017, 3315274), (6941, 2873938), (12034, 1657637), (13882, 1436969), (20239, 985622), (23347, 854414), (28897, 690314), (38837, 513634), (40478, 492811), (44801, 445258), (46694, 427207), (57794, 345157), (77674, 256817), (89602, 222629)]