19155728

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2213}}^1$

素因数の和:2762

約数の個数: 20

約数和(自身を含む): 37199628

約数和(自身を除く): 18043900

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 2213, 4328, 4426, 8656, 8852, 17704, 35408, 1197233, 2394466, 4788932, 9577864, 19155728]

約数ペア:

[(1, 19155728), (2, 9577864), (4, 4788932), (8, 2394466), (16, 1197233), (541, 35408), (1082, 17704), (2164, 8852), (2213, 8656), (4328, 4426)]