18813363

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1381}}^1$

素因数の和:1642

約数の個数: 16

約数和(自身を含む): 26534400

約数和(自身を除く): 7721037

約数列:

[1, 3, 19, 57, 239, 717, 1381, 4143, 4541, 13623, 26239, 78717, 330059, 990177, 6271121, 18813363]

約数ペア:

[(1, 18813363), (3, 6271121), (19, 990177), (57, 330059), (239, 78717), (717, 26239), (1381, 13623), (4143, 4541)]