18361959

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2741}}^1$

素因数の和:2791

約数の個数: 32

約数和(自身を含む): 31587840

約数和(自身を除く): 13225881

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 2741, 6699, 8223, 19187, 30151, 57561, 79489, 90453, 211057, 238467, 556423, 633171, 874379, 1669269, 2623137, 6120653, 18361959]

約数ペア:

[(1, 18361959), (3, 6120653), (7, 2623137), (11, 1669269), (21, 874379), (29, 633171), (33, 556423), (77, 238467), (87, 211057), (203, 90453), (231, 79489), (319, 57561), (609, 30151), (957, 19187), (2233, 8223), (2741, 6699)]