18591245

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3943}}^1$

素因数の和:4012

約数の個数: 16

約数和(自身を含む): 23853312

約数和(自身を除く): 5262067

約数列:

[1, 5, 23, 41, 115, 205, 943, 3943, 4715, 19715, 90689, 161663, 453445, 808315, 3718249, 18591245]

約数ペア:

[(1, 18591245), (5, 3718249), (23, 808315), (41, 453445), (115, 161663), (205, 90689), (943, 19715), (3943, 4715)]