18784579

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 21045600

約数和(自身を除く): 2261021

約数列:

[1, 11, 73, 149, 157, 803, 1639, 1727, 10877, 11461, 23393, 119647, 126071, 257323, 1707689, 18784579]

約数ペア:

[(1, 18784579), (11, 1707689), (73, 257323), (149, 126071), (157, 119647), (803, 23393), (1639, 11461), (1727, 10877)]