18077759

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 23232000

約数和(自身を除く): 5154241

約数列:

[1, 7, 19, 29, 43, 109, 133, 203, 301, 551, 763, 817, 1247, 2071, 3161, 3857, 4687, 5719, 8729, 14497, 22127, 23693, 32809, 60059, 89053, 135923, 165851, 420413, 623371, 951461, 2582537, 18077759]

約数ペア:

[(1, 18077759), (7, 2582537), (19, 951461), (29, 623371), (43, 420413), (109, 165851), (133, 135923), (203, 89053), (301, 60059), (551, 32809), (763, 23693), (817, 22127), (1247, 14497), (2071, 8729), (3161, 5719), (3857, 4687)]