18953469

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{409}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 28995200

約数和(自身を除く): 10041731

約数列:

[1, 3, 9, 19, 57, 171, 271, 409, 813, 1227, 2439, 3681, 5149, 7771, 15447, 23313, 46341, 69939, 110839, 332517, 997551, 2105941, 6317823, 18953469]

約数ペア:

[(1, 18953469), (3, 6317823), (9, 2105941), (19, 997551), (57, 332517), (171, 110839), (271, 69939), (409, 46341), (813, 23313), (1227, 15447), (2439, 7771), (3681, 5149)]