18713754

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1712

約数の個数: 40

約数和(自身を含む): 42549408

約数和(自身を除く): 23835654

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1627, 1917, 3254, 3834, 4881, 5751, 9762, 11502, 14643, 29286, 43929, 87858, 115517, 131787, 231034, 263574, 346551, 693102, 1039653, 2079306, 3118959, 6237918, 9356877, 18713754]

約数ペア:

[(1, 18713754), (2, 9356877), (3, 6237918), (6, 3118959), (9, 2079306), (18, 1039653), (27, 693102), (54, 346551), (71, 263574), (81, 231034), (142, 131787), (162, 115517), (213, 87858), (426, 43929), (639, 29286), (1278, 14643), (1627, 11502), (1917, 9762), (3254, 5751), (3834, 4881)]