19833289

素因数分解:

$7^3\times {\mathrm{53}}^1\times {\mathrm{1091}}^1$

素因数の和:1165

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 3753911

約数列:

[1, 7, 49, 53, 343, 371, 1091, 2597, 7637, 18179, 53459, 57823, 374213, 404761, 2833327, 19833289]

約数ペア:

[(1, 19833289), (7, 2833327), (49, 404761), (53, 374213), (343, 57823), (371, 53459), (1091, 18179), (2597, 7637)]