18765362187

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{394073}}^1$

素因数の和:394140

約数の個数: 48

約数和(自身を含む): 32704989408

約数和(自身を除く): 13939627221

約数列:

[1, 3, 9, 11, 13, 33, 37, 39, 99, 111, 117, 143, 333, 407, 429, 481, 1221, 1287, 1443, 3663, 4329, 5291, 15873, 47619, 394073, 1182219, 3546657, 4334803, 5122949, 13004409, 14580701, 15368847, 39013227, 43742103, 46106541, 56352439, 131226309, 160387711, 169057317, 189549113, 481163133, 507171951, 568647339, 1443489399, 1705942017, 2085040243, 6255120729, 18765362187]

約数ペア:

[(1, 18765362187), (3, 6255120729), (9, 2085040243), (11, 1705942017), (13, 1443489399), (33, 568647339), (37, 507171951), (39, 481163133), (99, 189549113), (111, 169057317), (117, 160387711), (143, 131226309), (333, 56352439), (407, 46106541), (429, 43742103), (481, 39013227), (1221, 15368847), (1287, 14580701), (1443, 13004409), (3663, 5122949), (4329, 4334803), (5291, 3546657), (15873, 1182219), (47619, 394073)]