18147726

素因数分解:

$2^1\times 3^9\times {\mathrm{461}}^1$

素因数の和:490

約数の個数: 40

約数和(自身を含む): 40920264

約数和(自身を除く): 22772538

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 461, 486, 729, 922, 1383, 1458, 2187, 2766, 4149, 4374, 6561, 8298, 12447, 13122, 19683, 24894, 37341, 39366, 74682, 112023, 224046, 336069, 672138, 1008207, 2016414, 3024621, 6049242, 9073863, 18147726]

約数ペア:

[(1, 18147726), (2, 9073863), (3, 6049242), (6, 3024621), (9, 2016414), (18, 1008207), (27, 672138), (54, 336069), (81, 224046), (162, 112023), (243, 74682), (461, 39366), (486, 37341), (729, 24894), (922, 19683), (1383, 13122), (1458, 12447), (2187, 8298), (2766, 6561), (4149, 4374)]