19549971

素因数分解:

$3^3\times 7^3\times {\mathrm{2111}}^1$

素因数の和:2141

約数の個数: 32

約数和(自身を含む): 33792000

約数和(自身を除く): 14242029

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 2111, 3087, 6333, 9261, 14777, 18999, 44331, 56997, 103439, 132993, 310317, 398979, 724073, 930951, 2172219, 2792853, 6516657, 19549971]

約数ペア:

[(1, 19549971), (3, 6516657), (7, 2792853), (9, 2172219), (21, 930951), (27, 724073), (49, 398979), (63, 310317), (147, 132993), (189, 103439), (343, 56997), (441, 44331), (1029, 18999), (1323, 14777), (2111, 9261), (3087, 6333)]