19004427

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 31799040

約数和(自身を除く): 12794613

約数列:

[1, 3, 9, 13, 19, 39, 57, 83, 103, 117, 171, 247, 249, 309, 741, 747, 927, 1079, 1339, 1577, 1957, 2223, 3237, 4017, 4731, 5871, 8549, 9711, 12051, 14193, 17613, 20501, 25441, 25647, 61503, 76323, 76941, 111137, 162431, 184509, 228969, 333411, 487293, 1000233, 1461879, 2111603, 6334809, 19004427]

約数ペア:

[(1, 19004427), (3, 6334809), (9, 2111603), (13, 1461879), (19, 1000233), (39, 487293), (57, 333411), (83, 228969), (103, 184509), (117, 162431), (171, 111137), (247, 76941), (249, 76323), (309, 61503), (741, 25647), (747, 25441), (927, 20501), (1079, 17613), (1339, 14193), (1577, 12051), (1957, 9711), (2223, 8549), (3237, 5871), (4017, 4731)]