19278884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{557}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 35857080

約数和(自身を除く): 16578196

約数列:

[1, 2, 4, 17, 34, 68, 509, 557, 1018, 1114, 2036, 2228, 8653, 9469, 17306, 18938, 34612, 37876, 283513, 567026, 1134052, 4819721, 9639442, 19278884]

約数ペア:

[(1, 19278884), (2, 9639442), (4, 4819721), (17, 1134052), (34, 567026), (68, 283513), (509, 37876), (557, 34612), (1018, 18938), (1114, 17306), (2036, 9469), (2228, 8653)]