16867972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20177}}^1$

素因数の和:20211

約数の個数: 24

約数和(自身を含む): 33899040

約数和(自身を除く): 17031068

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 20177, 40354, 80708, 221947, 383363, 443894, 766726, 887788, 1533452, 4216993, 8433986, 16867972]

約数ペア:

[(1, 16867972), (2, 8433986), (4, 4216993), (11, 1533452), (19, 887788), (22, 766726), (38, 443894), (44, 383363), (76, 221947), (209, 80708), (418, 40354), (836, 20177)]