19621281

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20249}}^1$

素因数の和:20288

約数の個数: 16

約数和(自身を含む): 29160000

約数和(自身を除く): 9538719

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 20249, 60747, 344233, 384731, 1032699, 1154193, 6540427, 19621281]

約数ペア:

[(1, 19621281), (3, 6540427), (17, 1154193), (19, 1032699), (51, 384731), (57, 344233), (323, 60747), (969, 20249)]