19404316

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 35033040

約数和(自身を除く): 15628724

約数列:

[1, 2, 4, 41, 82, 164, 179, 358, 661, 716, 1322, 2644, 7339, 14678, 27101, 29356, 54202, 108404, 118319, 236638, 473276, 4851079, 9702158, 19404316]

約数ペア:

[(1, 19404316), (2, 9702158), (4, 4851079), (41, 473276), (82, 236638), (164, 118319), (179, 108404), (358, 54202), (661, 29356), (716, 27101), (1322, 14678), (2644, 7339)]