18431402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{22643}}^1$

素因数の和:22693

約数の個数: 16

約数和(自身を含む): 30976992

約数和(自身を除く): 12545590

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 22643, 45286, 249073, 498146, 837791, 1675582, 9215701, 18431402]

約数ペア:

[(1, 18431402), (2, 9215701), (11, 1675582), (22, 837791), (37, 498146), (74, 249073), (407, 45286), (814, 22643)]