18677265

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13256175

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 1259, 2967, 3777, 4945, 6295, 14835, 18885, 28957, 54137, 86871, 144785, 162411, 270685, 434355, 812055, 1245151, 3735453, 6225755, 18677265]

約数ペア:

[(1, 18677265), (3, 6225755), (5, 3735453), (15, 1245151), (23, 812055), (43, 434355), (69, 270685), (115, 162411), (129, 144785), (215, 86871), (345, 54137), (645, 28957), (989, 18885), (1259, 14835), (2967, 6295), (3777, 4945)]