18386706

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 42594048

約数和(自身を除く): 24207342

約数列:

[1, 2, 3, 6, 13, 23, 26, 37, 39, 46, 69, 74, 78, 111, 138, 222, 277, 299, 481, 554, 598, 831, 851, 897, 962, 1443, 1662, 1702, 1794, 2553, 2886, 3601, 5106, 6371, 7202, 10249, 10803, 11063, 12742, 19113, 20498, 21606, 22126, 30747, 33189, 38226, 61494, 66378, 82823, 133237, 165646, 235727, 248469, 266474, 399711, 471454, 496938, 707181, 799422, 1414362, 3064451, 6128902, 9193353, 18386706]

約数ペア:

[(1, 18386706), (2, 9193353), (3, 6128902), (6, 3064451), (13, 1414362), (23, 799422), (26, 707181), (37, 496938), (39, 471454), (46, 399711), (69, 266474), (74, 248469), (78, 235727), (111, 165646), (138, 133237), (222, 82823), (277, 66378), (299, 61494), (481, 38226), (554, 33189), (598, 30747), (831, 22126), (851, 21606), (897, 20498), (962, 19113), (1443, 12742), (1662, 11063), (1702, 10803), (1794, 10249), (2553, 7202), (2886, 6371), (3601, 5106)]