19227969

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 30464640

約数和(自身を除く): 11236671

約数列:

[1, 3, 9, 17, 27, 51, 153, 163, 257, 459, 489, 771, 1467, 2313, 2771, 4369, 4401, 6939, 8313, 13107, 24939, 39321, 41891, 74817, 117963, 125673, 377019, 712147, 1131057, 2136441, 6409323, 19227969]

約数ペア:

[(1, 19227969), (3, 6409323), (9, 2136441), (17, 1131057), (27, 712147), (51, 377019), (153, 125673), (163, 117963), (257, 74817), (459, 41891), (489, 39321), (771, 24939), (1467, 13107), (2313, 8313), (2771, 6939), (4369, 4401)]