18242330

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 33696000

約数和(自身を除く): 15453670

約数列:

[1, 2, 5, 10, 89, 103, 178, 199, 206, 398, 445, 515, 890, 995, 1030, 1990, 9167, 17711, 18334, 20497, 35422, 40994, 45835, 88555, 91670, 102485, 177110, 204970, 1824233, 3648466, 9121165, 18242330]

約数ペア:

[(1, 18242330), (2, 9121165), (5, 3648466), (10, 1824233), (89, 204970), (103, 177110), (178, 102485), (199, 91670), (206, 88555), (398, 45835), (445, 40994), (515, 35422), (890, 20497), (995, 18334), (1030, 17711), (1990, 9167)]