18911361

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{52973}}^1$

素因数の和:53000

約数の個数: 16

約数和(自身を含む): 30513024

約数和(自身を除く): 11601663

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 52973, 158919, 370811, 900541, 1112433, 2701623, 6303787, 18911361]

約数ペア:

[(1, 18911361), (3, 6303787), (7, 2701623), (17, 1112433), (21, 900541), (51, 370811), (119, 158919), (357, 52973)]