18959474

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{491}}^1$

素因数の和:985

約数の個数: 16

約数和(自身を含む): 29224800

約数和(自身を除く): 10265326

約数列:

[1, 2, 43, 86, 449, 491, 898, 982, 19307, 21113, 38614, 42226, 220459, 440918, 9479737, 18959474]

約数ペア:

[(1, 18959474), (2, 9479737), (43, 440918), (86, 220459), (449, 42226), (491, 38614), (898, 21113), (982, 19307)]