18860656

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28751}}^1$

素因数の和:28800

約数の個数: 20

約数和(自身を含む): 37435104

約数和(自身を除く): 18574448

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28751, 57502, 115004, 230008, 460016, 1178791, 2357582, 4715164, 9430328, 18860656]

約数ペア:

[(1, 18860656), (2, 9430328), (4, 4715164), (8, 2357582), (16, 1178791), (41, 460016), (82, 230008), (164, 115004), (328, 57502), (656, 28751)]