19424853

素因数分解:

$3^4\times 7^1\times {\mathrm{34259}}^1$

素因数の和:34278

約数の個数: 20

約数和(自身を含む): 33163680

約数和(自身を除く): 13738827

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 34259, 102777, 239813, 308331, 719439, 924993, 2158317, 2774979, 6474951, 19424853]

約数ペア:

[(1, 19424853), (3, 6474951), (7, 2774979), (9, 2158317), (21, 924993), (27, 719439), (63, 308331), (81, 239813), (189, 102777), (567, 34259)]