18707924

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4729}}^1$

素因数の和:4799

約数の個数: 24

約数和(自身を含む): 34964160

約数和(自身を除く): 16256236

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 4729, 9458, 18916, 108767, 203347, 217534, 406694, 435068, 813388, 4676981, 9353962, 18707924]

約数ペア:

[(1, 18707924), (2, 9353962), (4, 4676981), (23, 813388), (43, 435068), (46, 406694), (86, 217534), (92, 203347), (172, 108767), (989, 18916), (1978, 9458), (3956, 4729)]