18722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:73

約数の個数: 16

約数和(自身を含む): 32832

約数和(自身を除く): 14110

約数列:

[1, 2, 11, 22, 23, 37, 46, 74, 253, 407, 506, 814, 851, 1702, 9361, 18722]

約数ペア:

[(1, 18722), (2, 9361), (11, 1702), (22, 851), (23, 814), (37, 506), (46, 407), (74, 253)]