19784187

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{911}}^1$

素因数の和:1063

約数の個数: 24

約数和(自身を含む): 30351360

約数和(自身を除く): 10567173

約数列:

[1, 3, 9, 19, 57, 127, 171, 381, 911, 1143, 2413, 2733, 7239, 8199, 17309, 21717, 51927, 115697, 155781, 347091, 1041273, 2198243, 6594729, 19784187]

約数ペア:

[(1, 19784187), (3, 6594729), (9, 2198243), (19, 1041273), (57, 347091), (127, 155781), (171, 115697), (381, 51927), (911, 21717), (1143, 17309), (2413, 8199), (2733, 7239)]