18819994

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{2593}}^1$

素因数の和:2805

約数の個数: 16

約数和(自身を含む): 29882880

約数和(自身を除く): 11062886

約数列:

[1, 2, 19, 38, 191, 382, 2593, 3629, 5186, 7258, 49267, 98534, 495263, 990526, 9409997, 18819994]

約数ペア:

[(1, 18819994), (2, 9409997), (19, 990526), (38, 495263), (191, 98534), (382, 49267), (2593, 7258), (3629, 5186)]