20181858741

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{2111}}^1\times {\mathrm{8779}}^1$

素因数の和:10918

約数の個数: 36

約数和(自身を含む): 32061469440

約数和(自身を除く): 11879610699

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 2111, 6333, 8779, 18999, 23221, 26337, 69663, 79011, 96569, 208989, 255431, 289707, 766293, 869121, 1062259, 2298879, 3186777, 9560331, 18532469, 55597407, 166792221, 203857159, 611571477, 1834714431, 2242428749, 6727286247, 20181858741]

約数ペア:

[(1, 20181858741), (3, 6727286247), (9, 2242428749), (11, 1834714431), (33, 611571477), (99, 203857159), (121, 166792221), (363, 55597407), (1089, 18532469), (2111, 9560331), (6333, 3186777), (8779, 2298879), (18999, 1062259), (23221, 869121), (26337, 766293), (69663, 289707), (79011, 255431), (96569, 208989)]