18798213

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3119}}^1$

素因数の和:3177

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 11078907

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 3119, 6027, 9357, 21833, 65499, 127879, 152831, 383637, 458493, 895153, 2685459, 6266071, 18798213]

約数ペア:

[(1, 18798213), (3, 6266071), (7, 2685459), (21, 895153), (41, 458493), (49, 383637), (123, 152831), (147, 127879), (287, 65499), (861, 21833), (2009, 9357), (3119, 6027)]