18902367

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{443}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 29922048

約数和(自身を除く): 11019681

約数列:

[1, 3, 9, 11, 33, 99, 431, 443, 1293, 1329, 3879, 3987, 4741, 4873, 14223, 14619, 42669, 43857, 190933, 572799, 1718397, 2100263, 6300789, 18902367]

約数ペア:

[(1, 18902367), (3, 6300789), (9, 2100263), (11, 1718397), (33, 572799), (99, 190933), (431, 43857), (443, 42669), (1293, 14619), (1329, 14223), (3879, 4873), (3987, 4741)]