19111407

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{947}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 30123648

約数和(自身を除く): 11012241

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 947, 961, 2841, 2883, 6629, 6727, 19887, 20181, 29357, 88071, 205499, 616497, 910067, 2730201, 6370469, 19111407]

約数ペア:

[(1, 19111407), (3, 6370469), (7, 2730201), (21, 910067), (31, 616497), (93, 205499), (217, 88071), (651, 29357), (947, 20181), (961, 19887), (2841, 6727), (2883, 6629)]