18970911

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{5839}}^1$

素因数の和:5883

約数の個数: 18

約数和(自身を含む): 28925520

約数和(自身を除く): 9954609

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 5839, 17517, 52551, 110941, 332823, 998469, 2107879, 6323637, 18970911]

約数ペア:

[(1, 18970911), (3, 6323637), (9, 2107879), (19, 998469), (57, 332823), (171, 110941), (361, 52551), (1083, 17517), (3249, 5839)]