16668278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{20477}}^1$

素因数の和:20527

約数の個数: 16

約数和(自身を含む): 28013904

約数和(自身を除く): 11345626

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 20477, 40954, 225247, 450494, 757649, 1515298, 8334139, 16668278]

約数ペア:

[(1, 16668278), (2, 8334139), (11, 1515298), (22, 757649), (37, 450494), (74, 225247), (407, 40954), (814, 20477)]