19049215

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2161}}^1$

素因数の和:2250

約数の個数: 16

約数和(自身を含む): 23972256

約数和(自身を除く): 4923041

約数列:

[1, 5, 41, 43, 205, 215, 1763, 2161, 8815, 10805, 88601, 92923, 443005, 464615, 3809843, 19049215]

約数ペア:

[(1, 19049215), (5, 3809843), (41, 464615), (43, 443005), (205, 92923), (215, 88601), (1763, 10805), (2161, 8815)]