19805283

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15607}}^1$

素因数の和:15663

約数の個数: 16

約数和(自身を含む): 29967360

約数和(自身を除く): 10162077

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15607, 46821, 140463, 421389, 733529, 2200587, 6601761, 19805283]

約数ペア:

[(1, 19805283), (3, 6601761), (9, 2200587), (27, 733529), (47, 421389), (141, 140463), (423, 46821), (1269, 15607)]