18656847

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{947}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 29577600

約数和(自身を除く): 10920753

約数列:

[1, 3, 9, 11, 33, 99, 199, 597, 947, 1791, 2189, 2841, 6567, 8523, 10417, 19701, 31251, 93753, 188453, 565359, 1696077, 2072983, 6218949, 18656847]

約数ペア:

[(1, 18656847), (3, 6218949), (9, 2072983), (11, 1696077), (33, 565359), (99, 188453), (199, 93753), (597, 31251), (947, 19701), (1791, 10417), (2189, 8523), (2841, 6567)]