18493870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 34927200

約数和(自身を除く): 16433330

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 205, 215, 410, 430, 1049, 1763, 2098, 3526, 5245, 8815, 10490, 17630, 43009, 45107, 86018, 90214, 215045, 225535, 430090, 451070, 1849387, 3698774, 9246935, 18493870]

約数ペア:

[(1, 18493870), (2, 9246935), (5, 3698774), (10, 1849387), (41, 451070), (43, 430090), (82, 225535), (86, 215045), (205, 90214), (215, 86018), (410, 45107), (430, 43009), (1049, 17630), (1763, 10490), (2098, 8815), (3526, 5245)]