18814455

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 35942400

約数和(自身を除く): 17127945

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 191, 199, 495, 573, 597, 955, 995, 1719, 1791, 2101, 2189, 2865, 2985, 6303, 6567, 8595, 8955, 10505, 10945, 18909, 19701, 31515, 32835, 38009, 94545, 98505, 114027, 190045, 342081, 418099, 570135, 1254297, 1710405, 2090495, 3762891, 6271485, 18814455]

約数ペア:

[(1, 18814455), (3, 6271485), (5, 3762891), (9, 2090495), (11, 1710405), (15, 1254297), (33, 570135), (45, 418099), (55, 342081), (99, 190045), (165, 114027), (191, 98505), (199, 94545), (495, 38009), (573, 32835), (597, 31515), (955, 19701), (995, 18909), (1719, 10945), (1791, 10505), (2101, 8955), (2189, 8595), (2865, 6567), (2985, 6303)]