16195809

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40591}}^1$

素因数の和:40620

約数の個数: 16

約数和(自身を含む): 25978880

約数和(自身を除く): 9783071

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 40591, 121773, 284137, 771229, 852411, 2313687, 5398603, 16195809]

約数ペア:

[(1, 16195809), (3, 5398603), (7, 2313687), (19, 852411), (21, 771229), (57, 284137), (133, 121773), (399, 40591)]