19604485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 26784000

約数和(自身を除く): 7179515

約数列:

[1, 5, 17, 19, 61, 85, 95, 199, 305, 323, 995, 1037, 1159, 1615, 3383, 3781, 5185, 5795, 12139, 16915, 18905, 19703, 60695, 64277, 98515, 206363, 230641, 321385, 1031815, 1153205, 3920897, 19604485]

約数ペア:

[(1, 19604485), (5, 3920897), (17, 1153205), (19, 1031815), (61, 321385), (85, 230641), (95, 206363), (199, 98515), (305, 64277), (323, 60695), (995, 19703), (1037, 18905), (1159, 16915), (1615, 12139), (3383, 5795), (3781, 5185)]