19203183

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 31829760

約数和(自身を除く): 12626577

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 107, 153, 207, 289, 321, 391, 459, 621, 867, 963, 1173, 1819, 2461, 2601, 2889, 3519, 5457, 6647, 7383, 7803, 10557, 16371, 19941, 22149, 30923, 41837, 49113, 59823, 66447, 92769, 125511, 179469, 278307, 376533, 711229, 834921, 1129599, 2133687, 6401061, 19203183]

約数ペア:

[(1, 19203183), (3, 6401061), (9, 2133687), (17, 1129599), (23, 834921), (27, 711229), (51, 376533), (69, 278307), (107, 179469), (153, 125511), (207, 92769), (289, 66447), (321, 59823), (391, 49113), (459, 41837), (621, 30923), (867, 22149), (963, 19941), (1173, 16371), (1819, 10557), (2461, 7803), (2601, 7383), (2889, 6647), (3519, 5457)]