19713969

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{66377}}^1$

素因数の和:66397

約数の個数: 16

約数和(自身を含む): 31861440

約数和(自身を除く): 12147471

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 66377, 199131, 597393, 730147, 1792179, 2190441, 6571323, 19713969]

約数ペア:

[(1, 19713969), (3, 6571323), (9, 2190441), (11, 1792179), (27, 730147), (33, 597393), (99, 199131), (297, 66377)]