18678310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{38119}}^1$

素因数の和:38140

約数の個数: 24

約数和(自身を含む): 39111120

約数和(自身を除く): 20432810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 38119, 76238, 190595, 266833, 381190, 533666, 1334165, 1867831, 2668330, 3735662, 9339155, 18678310]

約数ペア:

[(1, 18678310), (2, 9339155), (5, 3735662), (7, 2668330), (10, 1867831), (14, 1334165), (35, 533666), (49, 381190), (70, 266833), (98, 190595), (245, 76238), (490, 38119)]