19680410

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2087}}^1$

素因数の和:2158

約数の個数: 32

約数和(自身を含む): 37884672

約数和(自身を除く): 18204262

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1886, 2087, 4174, 4715, 9430, 10435, 20870, 48001, 85567, 96002, 171134, 240005, 427835, 480010, 855670, 1968041, 3936082, 9840205, 19680410]

約数ペア:

[(1, 19680410), (2, 9840205), (5, 3936082), (10, 1968041), (23, 855670), (41, 480010), (46, 427835), (82, 240005), (115, 171134), (205, 96002), (230, 85567), (410, 48001), (943, 20870), (1886, 10435), (2087, 9430), (4174, 4715)]