18332538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 25793670

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 47, 74, 94, 111, 141, 222, 251, 259, 282, 329, 502, 518, 658, 753, 777, 987, 1506, 1554, 1739, 1757, 1974, 3478, 3514, 5217, 5271, 9287, 10434, 10542, 11797, 12173, 18574, 23594, 24346, 27861, 35391, 36519, 55722, 65009, 70782, 73038, 82579, 130018, 165158, 195027, 247737, 390054, 436489, 495474, 872978, 1309467, 2618934, 3055423, 6110846, 9166269, 18332538]

約数ペア:

[(1, 18332538), (2, 9166269), (3, 6110846), (6, 3055423), (7, 2618934), (14, 1309467), (21, 872978), (37, 495474), (42, 436489), (47, 390054), (74, 247737), (94, 195027), (111, 165158), (141, 130018), (222, 82579), (251, 73038), (259, 70782), (282, 65009), (329, 55722), (502, 36519), (518, 35391), (658, 27861), (753, 24346), (777, 23594), (987, 18574), (1506, 12173), (1554, 11797), (1739, 10542), (1757, 10434), (1974, 9287), (3478, 5271), (3514, 5217)]