19712367

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6781}}^1$

素因数の和:6823

約数の個数: 24

約数和(自身を含む): 31739760

約数和(自身を除く): 12027393

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 6781, 20343, 61029, 115277, 128839, 345831, 386517, 1037493, 1159551, 2190263, 6570789, 19712367]

約数ペア:

[(1, 19712367), (3, 6570789), (9, 2190263), (17, 1159551), (19, 1037493), (51, 386517), (57, 345831), (153, 128839), (171, 115277), (323, 61029), (969, 20343), (2907, 6781)]