18402021

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{691}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 29147040

約数和(自身を除く): 10745019

約数列:

[1, 3, 9, 11, 33, 99, 269, 691, 807, 2073, 2421, 2959, 6219, 7601, 8877, 22803, 26631, 68409, 185879, 557637, 1672911, 2044669, 6134007, 18402021]

約数ペア:

[(1, 18402021), (3, 6134007), (9, 2044669), (11, 1672911), (33, 557637), (99, 185879), (269, 68409), (691, 26631), (807, 22803), (2073, 8877), (2421, 7601), (2959, 6219)]