19697319

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{907}}^1$

素因数の和:1059

約数の個数: 24

約数和(自身を含む): 30218240

約数和(自身を除く): 10520921

約数列:

[1, 3, 9, 19, 57, 127, 171, 381, 907, 1143, 2413, 2721, 7239, 8163, 17233, 21717, 51699, 115189, 155097, 345567, 1036701, 2188591, 6565773, 19697319]

約数ペア:

[(1, 19697319), (3, 6565773), (9, 2188591), (19, 1036701), (57, 345567), (127, 155097), (171, 115189), (381, 51699), (907, 21717), (1143, 17233), (2413, 8163), (2721, 7239)]