19001515

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 25034400

約数和(自身を除く): 6032885

約数列:

[1, 5, 13, 65, 113, 169, 199, 565, 845, 995, 1469, 2587, 7345, 12935, 19097, 22487, 33631, 95485, 112435, 168155, 292331, 1461655, 3800303, 19001515]

約数ペア:

[(1, 19001515), (5, 3800303), (13, 1461655), (65, 292331), (113, 168155), (169, 112435), (199, 95485), (565, 33631), (845, 22487), (995, 19097), (1469, 12935), (2587, 7345)]